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Finding the Fourth Proportional to 7,148.26, 9,856.02 and 6,151.83

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Solution

The fourth proportional to 7,148.26, 9,856.02 and 6,151.83 is: 8,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.26 : 9,856.02 = 6,151.83 : x
  2. Step 2: Convert to fraction form
    7,148.26/9,856.02 = 6,151.83/x
  3. Step 3: Cross multiply
    7,148.26x = 9,856.02 × 6,151.83
  4. Step 4: Simplify right side
    7,148.26x = 60,632,559.52
  5. Step 5: Solve for x
    x = 60,632,559.52/7,148.26
  6. Step 6: Final answer
    x = 8,482.14

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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.