Home / 12,417.83-17,132.26-7,039.48

Finding the Fourth Proportional to 12,417.83, 17,132.26 and 7,039.48

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Solution

The fourth proportional to 12,417.83, 17,132.26 and 7,039.48 is: 9,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.83 : 17,132.26 = 7,039.48 : x
  2. Step 2: Convert to fraction form
    12,417.83/17,132.26 = 7,039.48/x
  3. Step 3: Cross multiply
    12,417.83x = 17,132.26 × 7,039.48
  4. Step 4: Simplify right side
    12,417.83x = 120,602,234.70
  5. Step 5: Solve for x
    x = 120,602,234.70/12,417.83
  6. Step 6: Final answer
    x = 9,712.02

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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.