Home / 11,452.47-15,803.40-6,416.02

Finding the Fourth Proportional to 11,452.47, 15,803.40 and 6,416.02

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Solution

The fourth proportional to 11,452.47, 15,803.40 and 6,416.02 is: 8,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.47 : 15,803.40 = 6,416.02 : x
  2. Step 2: Convert to fraction form
    11,452.47/15,803.40 = 6,416.02/x
  3. Step 3: Cross multiply
    11,452.47x = 15,803.40 × 6,416.02
  4. Step 4: Simplify right side
    11,452.47x = 101,394,930.47
  5. Step 5: Solve for x
    x = 101,394,930.47/11,452.47
  6. Step 6: Final answer
    x = 8,853.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.