Home / 12,631.50-17,432.97-7,598.31

Finding the Fourth Proportional to 12,631.50, 17,432.97 and 7,598.31

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Solution

The fourth proportional to 12,631.50, 17,432.97 and 7,598.31 is: 10,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.50 : 17,432.97 = 7,598.31 : x
  2. Step 2: Convert to fraction form
    12,631.50/17,432.97 = 7,598.31/x
  3. Step 3: Cross multiply
    12,631.50x = 17,432.97 × 7,598.31
  4. Step 4: Simplify right side
    12,631.50x = 132,461,110.28
  5. Step 5: Solve for x
    x = 132,461,110.28/12,631.50
  6. Step 6: Final answer
    x = 10,486.57

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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.