Home / 10,077.59-13,913.29-6,493.81

Finding the Fourth Proportional to 10,077.59, 13,913.29 and 6,493.81

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Solution

The fourth proportional to 10,077.59, 13,913.29 and 6,493.81 is: 8,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.59 : 13,913.29 = 6,493.81 : x
  2. Step 2: Convert to fraction form
    10,077.59/13,913.29 = 6,493.81/x
  3. Step 3: Cross multiply
    10,077.59x = 13,913.29 × 6,493.81
  4. Step 4: Simplify right side
    10,077.59x = 90,350,279.42
  5. Step 5: Solve for x
    x = 90,350,279.42/10,077.59
  6. Step 6: Final answer
    x = 8,965.47

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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.