Home / 10,470.64-14,449.44-5,755.12

Finding the Fourth Proportional to 10,470.64, 14,449.44 and 5,755.12

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Solution

The fourth proportional to 10,470.64, 14,449.44 and 5,755.12 is: 7,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.64 : 14,449.44 = 5,755.12 : x
  2. Step 2: Convert to fraction form
    10,470.64/14,449.44 = 5,755.12/x
  3. Step 3: Cross multiply
    10,470.64x = 14,449.44 × 5,755.12
  4. Step 4: Simplify right side
    10,470.64x = 83,158,261.13
  5. Step 5: Solve for x
    x = 83,158,261.13/10,470.64
  6. Step 6: Final answer
    x = 7,942.04

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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.