Home / 12,455.10-17,167.68-9,098.46

Finding the Fourth Proportional to 12,455.10, 17,167.68 and 9,098.46

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Solution

The fourth proportional to 12,455.10, 17,167.68 and 9,098.46 is: 12,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.10 : 17,167.68 = 9,098.46 : x
  2. Step 2: Convert to fraction form
    12,455.10/17,167.68 = 9,098.46/x
  3. Step 3: Cross multiply
    12,455.10x = 17,167.68 × 9,098.46
  4. Step 4: Simplify right side
    12,455.10x = 156,199,449.77
  5. Step 5: Solve for x
    x = 156,199,449.77/12,455.10
  6. Step 6: Final answer
    x = 12,541.00

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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.