Home / 10,062.75-13,883.79-6,289.76

Finding the Fourth Proportional to 10,062.75, 13,883.79 and 6,289.76

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Solution

The fourth proportional to 10,062.75, 13,883.79 and 6,289.76 is: 8,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,062.75 : 13,883.79 = 6,289.76 : x
  2. Step 2: Convert to fraction form
    10,062.75/13,883.79 = 6,289.76/x
  3. Step 3: Cross multiply
    10,062.75x = 13,883.79 × 6,289.76
  4. Step 4: Simplify right side
    10,062.75x = 87,325,689.64
  5. Step 5: Solve for x
    x = 87,325,689.64/10,062.75
  6. Step 6: Final answer
    x = 8,678.11

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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.