Home / 11,062.62-15,281.34-8,840.08

Finding the Fourth Proportional to 11,062.62, 15,281.34 and 8,840.08

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Solution

The fourth proportional to 11,062.62, 15,281.34 and 8,840.08 is: 12,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,062.62 : 15,281.34 = 8,840.08 : x
  2. Step 2: Convert to fraction form
    11,062.62/15,281.34 = 8,840.08/x
  3. Step 3: Cross multiply
    11,062.62x = 15,281.34 × 8,840.08
  4. Step 4: Simplify right side
    11,062.62x = 135,088,268.11
  5. Step 5: Solve for x
    x = 135,088,268.11/11,062.62
  6. Step 6: Final answer
    x = 12,211.24

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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.