Home / 10,253.20-14,155.68-6,671.56

Finding the Fourth Proportional to 10,253.20, 14,155.68 and 6,671.56

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Solution

The fourth proportional to 10,253.20, 14,155.68 and 6,671.56 is: 9,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.20 : 14,155.68 = 6,671.56 : x
  2. Step 2: Convert to fraction form
    10,253.20/14,155.68 = 6,671.56/x
  3. Step 3: Cross multiply
    10,253.20x = 14,155.68 × 6,671.56
  4. Step 4: Simplify right side
    10,253.20x = 94,440,468.46
  5. Step 5: Solve for x
    x = 94,440,468.46/10,253.20
  6. Step 6: Final answer
    x = 9,210.83

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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.