Home / 7,126.23-9,840.24-5,354.76

Finding the Fourth Proportional to 7,126.23, 9,840.24 and 5,354.76

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Solution

The fourth proportional to 7,126.23, 9,840.24 and 5,354.76 is: 7,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.23 : 9,840.24 = 5,354.76 : x
  2. Step 2: Convert to fraction form
    7,126.23/9,840.24 = 5,354.76/x
  3. Step 3: Cross multiply
    7,126.23x = 9,840.24 × 5,354.76
  4. Step 4: Simplify right side
    7,126.23x = 52,692,123.54
  5. Step 5: Solve for x
    x = 52,692,123.54/7,126.23
  6. Step 6: Final answer
    x = 7,394.11

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.