Home / 7,973.38-11,959.95-3,587.74

Finding the Fourth Proportional to 7,973.38, 11,959.95 and 3,587.74

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Solution

The fourth proportional to 7,973.38, 11,959.95 and 3,587.74 is: 5,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.38 : 11,959.95 = 3,587.74 : x
  2. Step 2: Convert to fraction form
    7,973.38/11,959.95 = 3,587.74/x
  3. Step 3: Cross multiply
    7,973.38x = 11,959.95 × 3,587.74
  4. Step 4: Simplify right side
    7,973.38x = 42,909,191.01
  5. Step 5: Solve for x
    x = 42,909,191.01/7,973.38
  6. Step 6: Final answer
    x = 5,381.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.