Home / 10,715.38-14,787.39-6,466.66

Finding the Fourth Proportional to 10,715.38, 14,787.39 and 6,466.66

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Solution

The fourth proportional to 10,715.38, 14,787.39 and 6,466.66 is: 8,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.38 : 14,787.39 = 6,466.66 : x
  2. Step 2: Convert to fraction form
    10,715.38/14,787.39 = 6,466.66/x
  3. Step 3: Cross multiply
    10,715.38x = 14,787.39 × 6,466.66
  4. Step 4: Simplify right side
    10,715.38x = 95,625,023.42
  5. Step 5: Solve for x
    x = 95,625,023.42/10,715.38
  6. Step 6: Final answer
    x = 8,924.09

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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.