Home / 12,541.23-17,298.57-8,070.66

Finding the Fourth Proportional to 12,541.23, 17,298.57 and 8,070.66

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Solution

The fourth proportional to 12,541.23, 17,298.57 and 8,070.66 is: 11,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.23 : 17,298.57 = 8,070.66 : x
  2. Step 2: Convert to fraction form
    12,541.23/17,298.57 = 8,070.66/x
  3. Step 3: Cross multiply
    12,541.23x = 17,298.57 × 8,070.66
  4. Step 4: Simplify right side
    12,541.23x = 139,610,876.96
  5. Step 5: Solve for x
    x = 139,610,876.96/12,541.23
  6. Step 6: Final answer
    x = 11,132.15

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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.