Home / 42,599.09-63,898.62-11,434.34

Finding the Fourth Proportional to 42,599.09, 63,898.62 and 11,434.34

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Solution

The fourth proportional to 42,599.09, 63,898.62 and 11,434.34 is: 17,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,599.09 : 63,898.62 = 11,434.34 : x
  2. Step 2: Convert to fraction form
    42,599.09/63,898.62 = 11,434.34/x
  3. Step 3: Cross multiply
    42,599.09x = 63,898.62 × 11,434.34
  4. Step 4: Simplify right side
    42,599.09x = 730,638,546.61
  5. Step 5: Solve for x
    x = 730,638,546.61/42,599.09
  6. Step 6: Final answer
    x = 17,151.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.