Home / 8,317.48-11,478.10-4,540.61

Finding the Fourth Proportional to 8,317.48, 11,478.10 and 4,540.61

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Solution

The fourth proportional to 8,317.48, 11,478.10 and 4,540.61 is: 6,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.48 : 11,478.10 = 4,540.61 : x
  2. Step 2: Convert to fraction form
    8,317.48/11,478.10 = 4,540.61/x
  3. Step 3: Cross multiply
    8,317.48x = 11,478.10 × 4,540.61
  4. Step 4: Simplify right side
    8,317.48x = 52,117,495.55
  5. Step 5: Solve for x
    x = 52,117,495.55/8,317.48
  6. Step 6: Final answer
    x = 6,266.02

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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.