Home / 10,536.72-14,527.20-8,641.44

Finding the Fourth Proportional to 10,536.72, 14,527.20 and 8,641.44

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Solution

The fourth proportional to 10,536.72, 14,527.20 and 8,641.44 is: 11,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.72 : 14,527.20 = 8,641.44 : x
  2. Step 2: Convert to fraction form
    10,536.72/14,527.20 = 8,641.44/x
  3. Step 3: Cross multiply
    10,536.72x = 14,527.20 × 8,641.44
  4. Step 4: Simplify right side
    10,536.72x = 125,535,927.17
  5. Step 5: Solve for x
    x = 125,535,927.17/10,536.72
  6. Step 6: Final answer
    x = 11,914.14

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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.