Home / 11,023.23-15,204.51-7,042.58

Finding the Fourth Proportional to 11,023.23, 15,204.51 and 7,042.58

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Solution

The fourth proportional to 11,023.23, 15,204.51 and 7,042.58 is: 9,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.23 : 15,204.51 = 7,042.58 : x
  2. Step 2: Convert to fraction form
    11,023.23/15,204.51 = 7,042.58/x
  3. Step 3: Cross multiply
    11,023.23x = 15,204.51 × 7,042.58
  4. Step 4: Simplify right side
    11,023.23x = 107,078,978.04
  5. Step 5: Solve for x
    x = 107,078,978.04/11,023.23
  6. Step 6: Final answer
    x = 9,713.94

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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.