Home / 9,319.46-12,862.68-5,343.24

Finding the Fourth Proportional to 9,319.46, 12,862.68 and 5,343.24

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Solution

The fourth proportional to 9,319.46, 12,862.68 and 5,343.24 is: 7,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.46 : 12,862.68 = 5,343.24 : x
  2. Step 2: Convert to fraction form
    9,319.46/12,862.68 = 5,343.24/x
  3. Step 3: Cross multiply
    9,319.46x = 12,862.68 × 5,343.24
  4. Step 4: Simplify right side
    9,319.46x = 68,728,386.28
  5. Step 5: Solve for x
    x = 68,728,386.28/9,319.46
  6. Step 6: Final answer
    x = 7,374.72

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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.