Home / 10,291.39-14,202.10-5,575.69

Finding the Fourth Proportional to 10,291.39, 14,202.10 and 5,575.69

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Solution

The fourth proportional to 10,291.39, 14,202.10 and 5,575.69 is: 7,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.39 : 14,202.10 = 5,575.69 : x
  2. Step 2: Convert to fraction form
    10,291.39/14,202.10 = 5,575.69/x
  3. Step 3: Cross multiply
    10,291.39x = 14,202.10 × 5,575.69
  4. Step 4: Simplify right side
    10,291.39x = 79,186,506.95
  5. Step 5: Solve for x
    x = 79,186,506.95/10,291.39
  6. Step 6: Final answer
    x = 7,694.44

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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.