Home / 12,569.53-18,856.73-4,777.73

Finding the Fourth Proportional to 12,569.53, 18,856.73 and 4,777.73

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Solution

The fourth proportional to 12,569.53, 18,856.73 and 4,777.73 is: 7,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.53 : 18,856.73 = 4,777.73 : x
  2. Step 2: Convert to fraction form
    12,569.53/18,856.73 = 4,777.73/x
  3. Step 3: Cross multiply
    12,569.53x = 18,856.73 × 4,777.73
  4. Step 4: Simplify right side
    12,569.53x = 90,092,432.19
  5. Step 5: Solve for x
    x = 90,092,432.19/12,569.53
  6. Step 6: Final answer
    x = 7,167.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.