Home / 11,140.41-15,363.48-7,560.56

Finding the Fourth Proportional to 11,140.41, 15,363.48 and 7,560.56

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Solution

The fourth proportional to 11,140.41, 15,363.48 and 7,560.56 is: 10,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.41 : 15,363.48 = 7,560.56 : x
  2. Step 2: Convert to fraction form
    11,140.41/15,363.48 = 7,560.56/x
  3. Step 3: Cross multiply
    11,140.41x = 15,363.48 × 7,560.56
  4. Step 4: Simplify right side
    11,140.41x = 116,156,397.73
  5. Step 5: Solve for x
    x = 116,156,397.73/11,140.41
  6. Step 6: Final answer
    x = 10,426.59

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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.