Home / 10,058.57-15,042.51-7,687.34

Finding the Fourth Proportional to 10,058.57, 15,042.51 and 7,687.34

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Solution

The fourth proportional to 10,058.57, 15,042.51 and 7,687.34 is: 11,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.57 : 15,042.51 = 7,687.34 : x
  2. Step 2: Convert to fraction form
    10,058.57/15,042.51 = 7,687.34/x
  3. Step 3: Cross multiply
    10,058.57x = 15,042.51 × 7,687.34
  4. Step 4: Simplify right side
    10,058.57x = 115,636,813.61
  5. Step 5: Solve for x
    x = 115,636,813.61/10,058.57
  6. Step 6: Final answer
    x = 11,496.35

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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.