Home / 11,587.11-15,984.34-7,331.01

Finding the Fourth Proportional to 11,587.11, 15,984.34 and 7,331.01

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Solution

The fourth proportional to 11,587.11, 15,984.34 and 7,331.01 is: 10,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.11 : 15,984.34 = 7,331.01 : x
  2. Step 2: Convert to fraction form
    11,587.11/15,984.34 = 7,331.01/x
  3. Step 3: Cross multiply
    11,587.11x = 15,984.34 × 7,331.01
  4. Step 4: Simplify right side
    11,587.11x = 117,181,356.38
  5. Step 5: Solve for x
    x = 117,181,356.38/11,587.11
  6. Step 6: Final answer
    x = 10,113.08

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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.