Home / 9,674.18-13,350.18-5,641.76

Finding the Fourth Proportional to 9,674.18, 13,350.18 and 5,641.76

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Solution

The fourth proportional to 9,674.18, 13,350.18 and 5,641.76 is: 7,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,674.18 : 13,350.18 = 5,641.76 : x
  2. Step 2: Convert to fraction form
    9,674.18/13,350.18 = 5,641.76/x
  3. Step 3: Cross multiply
    9,674.18x = 13,350.18 × 5,641.76
  4. Step 4: Simplify right side
    9,674.18x = 75,318,511.52
  5. Step 5: Solve for x
    x = 75,318,511.52/9,674.18
  6. Step 6: Final answer
    x = 7,785.52

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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.