Home / 7,612.12-10,518.42-5,937.76

Finding the Fourth Proportional to 7,612.12, 10,518.42 and 5,937.76

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Solution

The fourth proportional to 7,612.12, 10,518.42 and 5,937.76 is: 8,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.12 : 10,518.42 = 5,937.76 : x
  2. Step 2: Convert to fraction form
    7,612.12/10,518.42 = 5,937.76/x
  3. Step 3: Cross multiply
    7,612.12x = 10,518.42 × 5,937.76
  4. Step 4: Simplify right side
    7,612.12x = 62,455,853.54
  5. Step 5: Solve for x
    x = 62,455,853.54/7,612.12
  6. Step 6: Final answer
    x = 8,204.79

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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.