Home / 9,001.14-12,427.57-5,815.86

Finding the Fourth Proportional to 9,001.14, 12,427.57 and 5,815.86

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Solution

The fourth proportional to 9,001.14, 12,427.57 and 5,815.86 is: 8,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.14 : 12,427.57 = 5,815.86 : x
  2. Step 2: Convert to fraction form
    9,001.14/12,427.57 = 5,815.86/x
  3. Step 3: Cross multiply
    9,001.14x = 12,427.57 × 5,815.86
  4. Step 4: Simplify right side
    9,001.14x = 72,277,007.26
  5. Step 5: Solve for x
    x = 72,277,007.26/9,001.14
  6. Step 6: Final answer
    x = 8,029.76

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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.