Home / 8,677.92-11,973.72-5,492.19

Finding the Fourth Proportional to 8,677.92, 11,973.72 and 5,492.19

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Solution

The fourth proportional to 8,677.92, 11,973.72 and 5,492.19 is: 7,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.92 : 11,973.72 = 5,492.19 : x
  2. Step 2: Convert to fraction form
    8,677.92/11,973.72 = 5,492.19/x
  3. Step 3: Cross multiply
    8,677.92x = 11,973.72 × 5,492.19
  4. Step 4: Simplify right side
    8,677.92x = 65,761,945.25
  5. Step 5: Solve for x
    x = 65,761,945.25/8,677.92
  6. Step 6: Final answer
    x = 7,578.08

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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.