Home / 10,631.10-16,026.29-9,917.49

Finding the Fourth Proportional to 10,631.10, 16,026.29 and 9,917.49

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Solution

The fourth proportional to 10,631.10, 16,026.29 and 9,917.49 is: 14,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.10 : 16,026.29 = 9,917.49 : x
  2. Step 2: Convert to fraction form
    10,631.10/16,026.29 = 9,917.49/x
  3. Step 3: Cross multiply
    10,631.10x = 16,026.29 × 9,917.49
  4. Step 4: Simplify right side
    10,631.10x = 158,940,521.22
  5. Step 5: Solve for x
    x = 158,940,521.22/10,631.10
  6. Step 6: Final answer
    x = 14,950.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.