Home / 10,307.25-15,439.01-9,732.15

Finding the Fourth Proportional to 10,307.25, 15,439.01 and 9,732.15

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Solution

The fourth proportional to 10,307.25, 15,439.01 and 9,732.15 is: 14,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.25 : 15,439.01 = 9,732.15 : x
  2. Step 2: Convert to fraction form
    10,307.25/15,439.01 = 9,732.15/x
  3. Step 3: Cross multiply
    10,307.25x = 15,439.01 × 9,732.15
  4. Step 4: Simplify right side
    10,307.25x = 150,254,712.51
  5. Step 5: Solve for x
    x = 150,254,712.51/10,307.25
  6. Step 6: Final answer
    x = 14,577.58

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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.