Home / 10,173.39-14,039.15-5,697.11

Finding the Fourth Proportional to 10,173.39, 14,039.15 and 5,697.11

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Solution

The fourth proportional to 10,173.39, 14,039.15 and 5,697.11 is: 7,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.39 : 14,039.15 = 5,697.11 : x
  2. Step 2: Convert to fraction form
    10,173.39/14,039.15 = 5,697.11/x
  3. Step 3: Cross multiply
    10,173.39x = 14,039.15 × 5,697.11
  4. Step 4: Simplify right side
    10,173.39x = 79,982,483.18
  5. Step 5: Solve for x
    x = 79,982,483.18/10,173.39
  6. Step 6: Final answer
    x = 7,861.93

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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.