Home / 10,416.72-15,613.08-5,790.48

Finding the Fourth Proportional to 10,416.72, 15,613.08 and 5,790.48

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Solution

The fourth proportional to 10,416.72, 15,613.08 and 5,790.48 is: 8,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.72 : 15,613.08 = 5,790.48 : x
  2. Step 2: Convert to fraction form
    10,416.72/15,613.08 = 5,790.48/x
  3. Step 3: Cross multiply
    10,416.72x = 15,613.08 × 5,790.48
  4. Step 4: Simplify right side
    10,416.72x = 90,407,227.48
  5. Step 5: Solve for x
    x = 90,407,227.48/10,416.72
  6. Step 6: Final answer
    x = 8,679.05

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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.