Home / 7,522.40-11,204.19-7,127.26

Finding the Fourth Proportional to 7,522.40, 11,204.19 and 7,127.26

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Solution

The fourth proportional to 7,522.40, 11,204.19 and 7,127.26 is: 10,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.40 : 11,204.19 = 7,127.26 : x
  2. Step 2: Convert to fraction form
    7,522.40/11,204.19 = 7,127.26/x
  3. Step 3: Cross multiply
    7,522.40x = 11,204.19 × 7,127.26
  4. Step 4: Simplify right side
    7,522.40x = 79,855,147.21
  5. Step 5: Solve for x
    x = 79,855,147.21/7,522.40
  6. Step 6: Final answer
    x = 10,615.64

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.