Home / 8,948.81-13,423.22-2,792.81

Finding the Fourth Proportional to 8,948.81, 13,423.22 and 2,792.81

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Solution

The fourth proportional to 8,948.81, 13,423.22 and 2,792.81 is: 4,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.81 : 13,423.22 = 2,792.81 : x
  2. Step 2: Convert to fraction form
    8,948.81/13,423.22 = 2,792.81/x
  3. Step 3: Cross multiply
    8,948.81x = 13,423.22 × 2,792.81
  4. Step 4: Simplify right side
    8,948.81x = 37,488,503.05
  5. Step 5: Solve for x
    x = 37,488,503.05/8,948.81
  6. Step 6: Final answer
    x = 4,189.22

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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.