Home / 10,417.60-15,608.18-8,673.80

Finding the Fourth Proportional to 10,417.60, 15,608.18 and 8,673.80

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Solution

The fourth proportional to 10,417.60, 15,608.18 and 8,673.80 is: 12,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.60 : 15,608.18 = 8,673.80 : x
  2. Step 2: Convert to fraction form
    10,417.60/15,608.18 = 8,673.80/x
  3. Step 3: Cross multiply
    10,417.60x = 15,608.18 × 8,673.80
  4. Step 4: Simplify right side
    10,417.60x = 135,382,231.68
  5. Step 5: Solve for x
    x = 135,382,231.68/10,417.60
  6. Step 6: Final answer
    x = 12,995.53

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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.