Home / 10,187.10-14,058.77-5,712.29

Finding the Fourth Proportional to 10,187.10, 14,058.77 and 5,712.29

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Solution

The fourth proportional to 10,187.10, 14,058.77 and 5,712.29 is: 7,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.10 : 14,058.77 = 5,712.29 : x
  2. Step 2: Convert to fraction form
    10,187.10/14,058.77 = 5,712.29/x
  3. Step 3: Cross multiply
    10,187.10x = 14,058.77 × 5,712.29
  4. Step 4: Simplify right side
    10,187.10x = 80,307,672.43
  5. Step 5: Solve for x
    x = 80,307,672.43/10,187.10
  6. Step 6: Final answer
    x = 7,883.27

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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.