Home / 8,895.24-12,276.43-5,358.38

Finding the Fourth Proportional to 8,895.24, 12,276.43 and 5,358.38

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Solution

The fourth proportional to 8,895.24, 12,276.43 and 5,358.38 is: 7,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.24 : 12,276.43 = 5,358.38 : x
  2. Step 2: Convert to fraction form
    8,895.24/12,276.43 = 5,358.38/x
  3. Step 3: Cross multiply
    8,895.24x = 12,276.43 × 5,358.38
  4. Step 4: Simplify right side
    8,895.24x = 65,781,702.21
  5. Step 5: Solve for x
    x = 65,781,702.21/8,895.24
  6. Step 6: Final answer
    x = 7,395.16

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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.