Home / 11,271.29-15,554.84-7,024.86

Finding the Fourth Proportional to 11,271.29, 15,554.84 and 7,024.86

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Solution

The fourth proportional to 11,271.29, 15,554.84 and 7,024.86 is: 9,694.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.29 : 15,554.84 = 7,024.86 : x
  2. Step 2: Convert to fraction form
    11,271.29/15,554.84 = 7,024.86/x
  3. Step 3: Cross multiply
    11,271.29x = 15,554.84 × 7,024.86
  4. Step 4: Simplify right side
    11,271.29x = 109,270,538.20
  5. Step 5: Solve for x
    x = 109,270,538.20/11,271.29
  6. Step 6: Final answer
    x = 9,694.59

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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.