Home / 10,772.40-14,882.04-8,527.08

Finding the Fourth Proportional to 10,772.40, 14,882.04 and 8,527.08

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Solution

The fourth proportional to 10,772.40, 14,882.04 and 8,527.08 is: 11,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.40 : 14,882.04 = 8,527.08 : x
  2. Step 2: Convert to fraction form
    10,772.40/14,882.04 = 8,527.08/x
  3. Step 3: Cross multiply
    10,772.40x = 14,882.04 × 8,527.08
  4. Step 4: Simplify right side
    10,772.40x = 126,900,345.64
  5. Step 5: Solve for x
    x = 126,900,345.64/10,772.40
  6. Step 6: Final answer
    x = 11,780.14

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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.