Home / 10,529.38-14,527.90-7,132.64

Finding the Fourth Proportional to 10,529.38, 14,527.90 and 7,132.64

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Solution

The fourth proportional to 10,529.38, 14,527.90 and 7,132.64 is: 9,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.38 : 14,527.90 = 7,132.64 : x
  2. Step 2: Convert to fraction form
    10,529.38/14,527.90 = 7,132.64/x
  3. Step 3: Cross multiply
    10,529.38x = 14,527.90 × 7,132.64
  4. Step 4: Simplify right side
    10,529.38x = 103,622,280.66
  5. Step 5: Solve for x
    x = 103,622,280.66/10,529.38
  6. Step 6: Final answer
    x = 9,841.25

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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.