Home / 8,723.76-12,038.82-4,744.92

Finding the Fourth Proportional to 8,723.76, 12,038.82 and 4,744.92

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Solution

The fourth proportional to 8,723.76, 12,038.82 and 4,744.92 is: 6,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.76 : 12,038.82 = 4,744.92 : x
  2. Step 2: Convert to fraction form
    8,723.76/12,038.82 = 4,744.92/x
  3. Step 3: Cross multiply
    8,723.76x = 12,038.82 × 4,744.92
  4. Step 4: Simplify right side
    8,723.76x = 57,123,237.79
  5. Step 5: Solve for x
    x = 57,123,237.79/8,723.76
  6. Step 6: Final answer
    x = 6,548.01

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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.