Home / 9,816.40-14,724.60-5,669.20

Finding the Fourth Proportional to 9,816.40, 14,724.60 and 5,669.20

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Solution

The fourth proportional to 9,816.40, 14,724.60 and 5,669.20 is: 8,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.40 : 14,724.60 = 5,669.20 : x
  2. Step 2: Convert to fraction form
    9,816.40/14,724.60 = 5,669.20/x
  3. Step 3: Cross multiply
    9,816.40x = 14,724.60 × 5,669.20
  4. Step 4: Simplify right side
    9,816.40x = 83,476,702.32
  5. Step 5: Solve for x
    x = 83,476,702.32/9,816.40
  6. Step 6: Final answer
    x = 8,503.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.