Home / 8,317.32-11,478.24-4,540.74

Finding the Fourth Proportional to 8,317.32, 11,478.24 and 4,540.74

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Solution

The fourth proportional to 8,317.32, 11,478.24 and 4,540.74 is: 6,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.32 : 11,478.24 = 4,540.74 : x
  2. Step 2: Convert to fraction form
    8,317.32/11,478.24 = 4,540.74/x
  3. Step 3: Cross multiply
    8,317.32x = 11,478.24 × 4,540.74
  4. Step 4: Simplify right side
    8,317.32x = 52,119,703.50
  5. Step 5: Solve for x
    x = 52,119,703.50/8,317.32
  6. Step 6: Final answer
    x = 6,266.41

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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.