Home / 10,166.14-14,029.50-7,187.32

Finding the Fourth Proportional to 10,166.14, 14,029.50 and 7,187.32

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Solution

The fourth proportional to 10,166.14, 14,029.50 and 7,187.32 is: 9,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.14 : 14,029.50 = 7,187.32 : x
  2. Step 2: Convert to fraction form
    10,166.14/14,029.50 = 7,187.32/x
  3. Step 3: Cross multiply
    10,166.14x = 14,029.50 × 7,187.32
  4. Step 4: Simplify right side
    10,166.14x = 100,834,505.94
  5. Step 5: Solve for x
    x = 100,834,505.94/10,166.14
  6. Step 6: Final answer
    x = 9,918.66

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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.