Home / 9,240.12-12,752.55-5,262.66

Finding the Fourth Proportional to 9,240.12, 12,752.55 and 5,262.66

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Solution

The fourth proportional to 9,240.12, 12,752.55 and 5,262.66 is: 7,263.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.12 : 12,752.55 = 5,262.66 : x
  2. Step 2: Convert to fraction form
    9,240.12/12,752.55 = 5,262.66/x
  3. Step 3: Cross multiply
    9,240.12x = 12,752.55 × 5,262.66
  4. Step 4: Simplify right side
    9,240.12x = 67,112,334.78
  5. Step 5: Solve for x
    x = 67,112,334.78/9,240.12
  6. Step 6: Final answer
    x = 7,263.15

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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.