Home / 11,125.08-15,368.62-8,884.02

Finding the Fourth Proportional to 11,125.08, 15,368.62 and 8,884.02

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Solution

The fourth proportional to 11,125.08, 15,368.62 and 8,884.02 is: 12,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.08 : 15,368.62 = 8,884.02 : x
  2. Step 2: Convert to fraction form
    11,125.08/15,368.62 = 8,884.02/x
  3. Step 3: Cross multiply
    11,125.08x = 15,368.62 × 8,884.02
  4. Step 4: Simplify right side
    11,125.08x = 136,535,127.45
  5. Step 5: Solve for x
    x = 136,535,127.45/11,125.08
  6. Step 6: Final answer
    x = 12,272.73

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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.