Home / 11,271.62-15,549.59-7,294.01

Finding the Fourth Proportional to 11,271.62, 15,549.59 and 7,294.01

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Solution

The fourth proportional to 11,271.62, 15,549.59 and 7,294.01 is: 10,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.62 : 15,549.59 = 7,294.01 : x
  2. Step 2: Convert to fraction form
    11,271.62/15,549.59 = 7,294.01/x
  3. Step 3: Cross multiply
    11,271.62x = 15,549.59 × 7,294.01
  4. Step 4: Simplify right side
    11,271.62x = 113,418,805.44
  5. Step 5: Solve for x
    x = 113,418,805.44/11,271.62
  6. Step 6: Final answer
    x = 10,062.33

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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.