Home / 8,284.15-11,432.45-4,748.05

Finding the Fourth Proportional to 8,284.15, 11,432.45 and 4,748.05

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Solution

The fourth proportional to 8,284.15, 11,432.45 and 4,748.05 is: 6,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.15 : 11,432.45 = 4,748.05 : x
  2. Step 2: Convert to fraction form
    8,284.15/11,432.45 = 4,748.05/x
  3. Step 3: Cross multiply
    8,284.15x = 11,432.45 × 4,748.05
  4. Step 4: Simplify right side
    8,284.15x = 54,281,844.22
  5. Step 5: Solve for x
    x = 54,281,844.22/8,284.15
  6. Step 6: Final answer
    x = 6,552.49

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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.