Home / 7,345.30-10,132.26-4,689.70

Finding the Fourth Proportional to 7,345.30, 10,132.26 and 4,689.70

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Solution

The fourth proportional to 7,345.30, 10,132.26 and 4,689.70 is: 6,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.30 : 10,132.26 = 4,689.70 : x
  2. Step 2: Convert to fraction form
    7,345.30/10,132.26 = 4,689.70/x
  3. Step 3: Cross multiply
    7,345.30x = 10,132.26 × 4,689.70
  4. Step 4: Simplify right side
    7,345.30x = 47,517,259.72
  5. Step 5: Solve for x
    x = 47,517,259.72/7,345.30
  6. Step 6: Final answer
    x = 6,469.07

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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.