Home / 8,816.61-12,165.60-5,039.19

Finding the Fourth Proportional to 8,816.61, 12,165.60 and 5,039.19

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Solution

The fourth proportional to 8,816.61, 12,165.60 and 5,039.19 is: 6,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.61 : 12,165.60 = 5,039.19 : x
  2. Step 2: Convert to fraction form
    8,816.61/12,165.60 = 5,039.19/x
  3. Step 3: Cross multiply
    8,816.61x = 12,165.60 × 5,039.19
  4. Step 4: Simplify right side
    8,816.61x = 61,304,769.86
  5. Step 5: Solve for x
    x = 61,304,769.86/8,816.61
  6. Step 6: Final answer
    x = 6,953.33

Related Problems

Find fourth proportional to 4,408.31, 6,082.80 and 2,519.60
Half scale
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Double scale
Find fourth proportional to 8,817.61, 12,166.98 and 5,040.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.