Home / 11,452.76-17,148.35-7,270.13

Finding the Fourth Proportional to 11,452.76, 17,148.35 and 7,270.13

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Solution

The fourth proportional to 11,452.76, 17,148.35 and 7,270.13 is: 10,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.76 : 17,148.35 = 7,270.13 : x
  2. Step 2: Convert to fraction form
    11,452.76/17,148.35 = 7,270.13/x
  3. Step 3: Cross multiply
    11,452.76x = 17,148.35 × 7,270.13
  4. Step 4: Simplify right side
    11,452.76x = 124,670,666.22
  5. Step 5: Solve for x
    x = 124,670,666.22/11,452.76
  6. Step 6: Final answer
    x = 10,885.64

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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.