Home / 10,017.92-15,036.24-5,091.08

Finding the Fourth Proportional to 10,017.92, 15,036.24 and 5,091.08

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Solution

The fourth proportional to 10,017.92, 15,036.24 and 5,091.08 is: 7,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,017.92 : 15,036.24 = 5,091.08 : x
  2. Step 2: Convert to fraction form
    10,017.92/15,036.24 = 5,091.08/x
  3. Step 3: Cross multiply
    10,017.92x = 15,036.24 × 5,091.08
  4. Step 4: Simplify right side
    10,017.92x = 76,550,700.74
  5. Step 5: Solve for x
    x = 76,550,700.74/10,017.92
  6. Step 6: Final answer
    x = 7,641.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.