Home / 7,673.92-11,513.04-2,480.20

Finding the Fourth Proportional to 7,673.92, 11,513.04 and 2,480.20

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Solution

The fourth proportional to 7,673.92, 11,513.04 and 2,480.20 is: 3,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.92 : 11,513.04 = 2,480.20 : x
  2. Step 2: Convert to fraction form
    7,673.92/11,513.04 = 2,480.20/x
  3. Step 3: Cross multiply
    7,673.92x = 11,513.04 × 2,480.20
  4. Step 4: Simplify right side
    7,673.92x = 28,554,641.81
  5. Step 5: Solve for x
    x = 28,554,641.81/7,673.92
  6. Step 6: Final answer
    x = 3,721.00

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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.