Home / 7,587.96-11,381.54-3,426.92

Finding the Fourth Proportional to 7,587.96, 11,381.54 and 3,426.92

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Solution

The fourth proportional to 7,587.96, 11,381.54 and 3,426.92 is: 5,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.96 : 11,381.54 = 3,426.92 : x
  2. Step 2: Convert to fraction form
    7,587.96/11,381.54 = 3,426.92/x
  3. Step 3: Cross multiply
    7,587.96x = 11,381.54 × 3,426.92
  4. Step 4: Simplify right side
    7,587.96x = 39,003,627.06
  5. Step 5: Solve for x
    x = 39,003,627.06/7,587.96
  6. Step 6: Final answer
    x = 5,140.20

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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.