Home / 7,454.38-10,291.86-4,624.76

Finding the Fourth Proportional to 7,454.38, 10,291.86 and 4,624.76

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Solution

The fourth proportional to 7,454.38, 10,291.86 and 4,624.76 is: 6,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.38 : 10,291.86 = 4,624.76 : x
  2. Step 2: Convert to fraction form
    7,454.38/10,291.86 = 4,624.76/x
  3. Step 3: Cross multiply
    7,454.38x = 10,291.86 × 4,624.76
  4. Step 4: Simplify right side
    7,454.38x = 47,597,382.45
  5. Step 5: Solve for x
    x = 47,597,382.45/7,454.38
  6. Step 6: Final answer
    x = 6,385.16

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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.