Home / 11,585.22-15,987.85-6,549.14

Finding the Fourth Proportional to 11,585.22, 15,987.85 and 6,549.14

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Solution

The fourth proportional to 11,585.22, 15,987.85 and 6,549.14 is: 9,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,585.22 : 15,987.85 = 6,549.14 : x
  2. Step 2: Convert to fraction form
    11,585.22/15,987.85 = 6,549.14/x
  3. Step 3: Cross multiply
    11,585.22x = 15,987.85 × 6,549.14
  4. Step 4: Simplify right side
    11,585.22x = 104,706,667.95
  5. Step 5: Solve for x
    x = 104,706,667.95/11,585.22
  6. Step 6: Final answer
    x = 9,037.95

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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.