Home / 9,041.06-12,486.42-6,215.90

Finding the Fourth Proportional to 9,041.06, 12,486.42 and 6,215.90

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Solution

The fourth proportional to 9,041.06, 12,486.42 and 6,215.90 is: 8,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.06 : 12,486.42 = 6,215.90 : x
  2. Step 2: Convert to fraction form
    9,041.06/12,486.42 = 6,215.90/x
  3. Step 3: Cross multiply
    9,041.06x = 12,486.42 × 6,215.90
  4. Step 4: Simplify right side
    9,041.06x = 77,614,338.08
  5. Step 5: Solve for x
    x = 77,614,338.08/9,041.06
  6. Step 6: Final answer
    x = 8,584.65

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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.