Home / 8,775.09-13,168.13-3,580.97

Finding the Fourth Proportional to 8,775.09, 13,168.13 and 3,580.97

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Solution

The fourth proportional to 8,775.09, 13,168.13 and 3,580.97 is: 5,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.09 : 13,168.13 = 3,580.97 : x
  2. Step 2: Convert to fraction form
    8,775.09/13,168.13 = 3,580.97/x
  3. Step 3: Cross multiply
    8,775.09x = 13,168.13 × 3,580.97
  4. Step 4: Simplify right side
    8,775.09x = 47,154,594.74
  5. Step 5: Solve for x
    x = 47,154,594.74/8,775.09
  6. Step 6: Final answer
    x = 5,373.69

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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.