Home / 12,548.96-18,812.28-4,763.24

Finding the Fourth Proportional to 12,548.96, 18,812.28 and 4,763.24

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Solution

The fourth proportional to 12,548.96, 18,812.28 and 4,763.24 is: 7,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.96 : 18,812.28 = 4,763.24 : x
  2. Step 2: Convert to fraction form
    12,548.96/18,812.28 = 4,763.24/x
  3. Step 3: Cross multiply
    12,548.96x = 18,812.28 × 4,763.24
  4. Step 4: Simplify right side
    12,548.96x = 89,607,404.59
  5. Step 5: Solve for x
    x = 89,607,404.59/12,548.96
  6. Step 6: Final answer
    x = 7,140.62

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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.