Home / 7,992.48-11,031.06-5,010.90

Finding the Fourth Proportional to 7,992.48, 11,031.06 and 5,010.90

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Solution

The fourth proportional to 7,992.48, 11,031.06 and 5,010.90 is: 6,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.48 : 11,031.06 = 5,010.90 : x
  2. Step 2: Convert to fraction form
    7,992.48/11,031.06 = 5,010.90/x
  3. Step 3: Cross multiply
    7,992.48x = 11,031.06 × 5,010.90
  4. Step 4: Simplify right side
    7,992.48x = 55,275,538.55
  5. Step 5: Solve for x
    x = 55,275,538.55/7,992.48
  6. Step 6: Final answer
    x = 6,915.94

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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.