Home / 10,715.76-14,787.86-5,935.85

Finding the Fourth Proportional to 10,715.76, 14,787.86 and 5,935.85

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Solution

The fourth proportional to 10,715.76, 14,787.86 and 5,935.85 is: 8,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.76 : 14,787.86 = 5,935.85 : x
  2. Step 2: Convert to fraction form
    10,715.76/14,787.86 = 5,935.85/x
  3. Step 3: Cross multiply
    10,715.76x = 14,787.86 × 5,935.85
  4. Step 4: Simplify right side
    10,715.76x = 87,778,415.16
  5. Step 5: Solve for x
    x = 87,778,415.16/10,715.76
  6. Step 6: Final answer
    x = 8,191.52

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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.