Home / 10,439.02-15,736.49-9,552.39

Finding the Fourth Proportional to 10,439.02, 15,736.49 and 9,552.39

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Solution

The fourth proportional to 10,439.02, 15,736.49 and 9,552.39 is: 14,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.02 : 15,736.49 = 9,552.39 : x
  2. Step 2: Convert to fraction form
    10,439.02/15,736.49 = 9,552.39/x
  3. Step 3: Cross multiply
    10,439.02x = 15,736.49 × 9,552.39
  4. Step 4: Simplify right side
    10,439.02x = 150,321,089.71
  5. Step 5: Solve for x
    x = 150,321,089.71/10,439.02
  6. Step 6: Final answer
    x = 14,399.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.