Home / 6,126.01-8,444.85-4,780.12

Finding the Fourth Proportional to 6,126.01, 8,444.85 and 4,780.12

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Solution

The fourth proportional to 6,126.01, 8,444.85 and 4,780.12 is: 6,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.01 : 8,444.85 = 4,780.12 : x
  2. Step 2: Convert to fraction form
    6,126.01/8,444.85 = 4,780.12/x
  3. Step 3: Cross multiply
    6,126.01x = 8,444.85 × 4,780.12
  4. Step 4: Simplify right side
    6,126.01x = 40,367,354.16
  5. Step 5: Solve for x
    x = 40,367,354.16/6,126.01
  6. Step 6: Final answer
    x = 6,589.51

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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.