Home / 8,488.26-11,713.25-4,711.42

Finding the Fourth Proportional to 8,488.26, 11,713.25 and 4,711.42

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Solution

The fourth proportional to 8,488.26, 11,713.25 and 4,711.42 is: 6,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.26 : 11,713.25 = 4,711.42 : x
  2. Step 2: Convert to fraction form
    8,488.26/11,713.25 = 4,711.42/x
  3. Step 3: Cross multiply
    8,488.26x = 11,713.25 × 4,711.42
  4. Step 4: Simplify right side
    8,488.26x = 55,186,040.32
  5. Step 5: Solve for x
    x = 55,186,040.32/8,488.26
  6. Step 6: Final answer
    x = 6,501.45

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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.