Home / 8,275.29-11,423.15-5,624.23

Finding the Fourth Proportional to 8,275.29, 11,423.15 and 5,624.23

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Solution

The fourth proportional to 8,275.29, 11,423.15 and 5,624.23 is: 7,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.29 : 11,423.15 = 5,624.23 : x
  2. Step 2: Convert to fraction form
    8,275.29/11,423.15 = 5,624.23/x
  3. Step 3: Cross multiply
    8,275.29x = 11,423.15 × 5,624.23
  4. Step 4: Simplify right side
    8,275.29x = 64,246,422.92
  5. Step 5: Solve for x
    x = 64,246,422.92/8,275.29
  6. Step 6: Final answer
    x = 7,763.65

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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.