Home / 8,155.96-11,248.68-5,323.12

Finding the Fourth Proportional to 8,155.96, 11,248.68 and 5,323.12

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Solution

The fourth proportional to 8,155.96, 11,248.68 and 5,323.12 is: 7,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.96 : 11,248.68 = 5,323.12 : x
  2. Step 2: Convert to fraction form
    8,155.96/11,248.68 = 5,323.12/x
  3. Step 3: Cross multiply
    8,155.96x = 11,248.68 × 5,323.12
  4. Step 4: Simplify right side
    8,155.96x = 59,878,073.48
  5. Step 5: Solve for x
    x = 59,878,073.48/8,155.96
  6. Step 6: Final answer
    x = 7,341.63

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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.