Home / 6,254.09-8,631.80-4,018.76

Finding the Fourth Proportional to 6,254.09, 8,631.80 and 4,018.76

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Solution

The fourth proportional to 6,254.09, 8,631.80 and 4,018.76 is: 5,546.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.09 : 8,631.80 = 4,018.76 : x
  2. Step 2: Convert to fraction form
    6,254.09/8,631.80 = 4,018.76/x
  3. Step 3: Cross multiply
    6,254.09x = 8,631.80 × 4,018.76
  4. Step 4: Simplify right side
    6,254.09x = 34,689,132.57
  5. Step 5: Solve for x
    x = 34,689,132.57/6,254.09
  6. Step 6: Final answer
    x = 5,546.63

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Half scale
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Double scale
Find fourth proportional to 6,255.09, 8,633.18 and 4,019.76
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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.