Home / 8,980.06-13,470.96-3,061.12

Finding the Fourth Proportional to 8,980.06, 13,470.96 and 3,061.12

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Solution

The fourth proportional to 8,980.06, 13,470.96 and 3,061.12 is: 4,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.06 : 13,470.96 = 3,061.12 : x
  2. Step 2: Convert to fraction form
    8,980.06/13,470.96 = 3,061.12/x
  3. Step 3: Cross multiply
    8,980.06x = 13,470.96 × 3,061.12
  4. Step 4: Simplify right side
    8,980.06x = 41,236,225.08
  5. Step 5: Solve for x
    x = 41,236,225.08/8,980.06
  6. Step 6: Final answer
    x = 4,591.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.