Home / 9,306.18-12,843.18-5,272.98

Finding the Fourth Proportional to 9,306.18, 12,843.18 and 5,272.98

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Solution

The fourth proportional to 9,306.18, 12,843.18 and 5,272.98 is: 7,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.18 : 12,843.18 = 5,272.98 : x
  2. Step 2: Convert to fraction form
    9,306.18/12,843.18 = 5,272.98/x
  3. Step 3: Cross multiply
    9,306.18x = 12,843.18 × 5,272.98
  4. Step 4: Simplify right side
    9,306.18x = 67,721,831.28
  5. Step 5: Solve for x
    x = 67,721,831.28/9,306.18
  6. Step 6: Final answer
    x = 7,277.08

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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.