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Finding the Fourth Proportional to 6,239.96, 9,368.12 and 4,862.16

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Solution

The fourth proportional to 6,239.96, 9,368.12 and 4,862.16 is: 7,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.96 : 9,368.12 = 4,862.16 : x
  2. Step 2: Convert to fraction form
    6,239.96/9,368.12 = 4,862.16/x
  3. Step 3: Cross multiply
    6,239.96x = 9,368.12 × 4,862.16
  4. Step 4: Simplify right side
    6,239.96x = 45,549,298.34
  5. Step 5: Solve for x
    x = 45,549,298.34/6,239.96
  6. Step 6: Final answer
    x = 7,299.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.