Home / 10,140.14-14,003.01-9,587.92

Finding the Fourth Proportional to 10,140.14, 14,003.01 and 9,587.92

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Solution

The fourth proportional to 10,140.14, 14,003.01 and 9,587.92 is: 13,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.14 : 14,003.01 = 9,587.92 : x
  2. Step 2: Convert to fraction form
    10,140.14/14,003.01 = 9,587.92/x
  3. Step 3: Cross multiply
    10,140.14x = 14,003.01 × 9,587.92
  4. Step 4: Simplify right side
    10,140.14x = 134,259,621.68
  5. Step 5: Solve for x
    x = 134,259,621.68/10,140.14
  6. Step 6: Final answer
    x = 13,240.42

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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.