Home / 8,015.52-11,061.39-4,430.49

Finding the Fourth Proportional to 8,015.52, 11,061.39 and 4,430.49

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Solution

The fourth proportional to 8,015.52, 11,061.39 and 4,430.49 is: 6,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.52 : 11,061.39 = 4,430.49 : x
  2. Step 2: Convert to fraction form
    8,015.52/11,061.39 = 4,430.49/x
  3. Step 3: Cross multiply
    8,015.52x = 11,061.39 × 4,430.49
  4. Step 4: Simplify right side
    8,015.52x = 49,007,377.78
  5. Step 5: Solve for x
    x = 49,007,377.78/8,015.52
  6. Step 6: Final answer
    x = 6,114.06

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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.