Home / 10,077.75-13,907.36-5,885.19

Finding the Fourth Proportional to 10,077.75, 13,907.36 and 5,885.19

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Solution

The fourth proportional to 10,077.75, 13,907.36 and 5,885.19 is: 8,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.75 : 13,907.36 = 5,885.19 : x
  2. Step 2: Convert to fraction form
    10,077.75/13,907.36 = 5,885.19/x
  3. Step 3: Cross multiply
    10,077.75x = 13,907.36 × 5,885.19
  4. Step 4: Simplify right side
    10,077.75x = 81,847,426.57
  5. Step 5: Solve for x
    x = 81,847,426.57/10,077.75
  6. Step 6: Final answer
    x = 8,121.60

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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.