Home / 8,862.92-12,225.41-5,275.46

Finding the Fourth Proportional to 8,862.92, 12,225.41 and 5,275.46

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Solution

The fourth proportional to 8,862.92, 12,225.41 and 5,275.46 is: 7,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.92 : 12,225.41 = 5,275.46 : x
  2. Step 2: Convert to fraction form
    8,862.92/12,225.41 = 5,275.46/x
  3. Step 3: Cross multiply
    8,862.92x = 12,225.41 × 5,275.46
  4. Step 4: Simplify right side
    8,862.92x = 64,494,705.19
  5. Step 5: Solve for x
    x = 64,494,705.19/8,862.92
  6. Step 6: Final answer
    x = 7,276.92

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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.