Home / 9,117.65-13,671.80-4,183.04

Finding the Fourth Proportional to 9,117.65, 13,671.80 and 4,183.04

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Solution

The fourth proportional to 9,117.65, 13,671.80 and 4,183.04 is: 6,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.65 : 13,671.80 = 4,183.04 : x
  2. Step 2: Convert to fraction form
    9,117.65/13,671.80 = 4,183.04/x
  3. Step 3: Cross multiply
    9,117.65x = 13,671.80 × 4,183.04
  4. Step 4: Simplify right side
    9,117.65x = 57,189,597.00
  5. Step 5: Solve for x
    x = 57,189,597.00/9,117.65
  6. Step 6: Final answer
    x = 6,272.40

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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.