Home / 10,051.40-15,086.70-8,592.20

Finding the Fourth Proportional to 10,051.40, 15,086.70 and 8,592.20

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Solution

The fourth proportional to 10,051.40, 15,086.70 and 8,592.20 is: 12,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.40 : 15,086.70 = 8,592.20 : x
  2. Step 2: Convert to fraction form
    10,051.40/15,086.70 = 8,592.20/x
  3. Step 3: Cross multiply
    10,051.40x = 15,086.70 × 8,592.20
  4. Step 4: Simplify right side
    10,051.40x = 129,627,943.74
  5. Step 5: Solve for x
    x = 129,627,943.74/10,051.40
  6. Step 6: Final answer
    x = 12,896.51

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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.