Home / 11,023.73-15,205.20-7,043.08

Finding the Fourth Proportional to 11,023.73, 15,205.20 and 7,043.08

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Solution

The fourth proportional to 11,023.73, 15,205.20 and 7,043.08 is: 9,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.73 : 15,205.20 = 7,043.08 : x
  2. Step 2: Convert to fraction form
    11,023.73/15,205.20 = 7,043.08/x
  3. Step 3: Cross multiply
    11,023.73x = 15,205.20 × 7,043.08
  4. Step 4: Simplify right side
    11,023.73x = 107,091,440.02
  5. Step 5: Solve for x
    x = 107,091,440.02/11,023.73
  6. Step 6: Final answer
    x = 9,714.63

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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.