Home / 9,118.26-12,583.26-5,343.66

Finding the Fourth Proportional to 9,118.26, 12,583.26 and 5,343.66

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Solution

The fourth proportional to 9,118.26, 12,583.26 and 5,343.66 is: 7,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.26 : 12,583.26 = 5,343.66 : x
  2. Step 2: Convert to fraction form
    9,118.26/12,583.26 = 5,343.66/x
  3. Step 3: Cross multiply
    9,118.26x = 12,583.26 × 5,343.66
  4. Step 4: Simplify right side
    9,118.26x = 67,240,663.13
  5. Step 5: Solve for x
    x = 67,240,663.13/9,118.26
  6. Step 6: Final answer
    x = 7,374.29

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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.