Home / 10,938.22-15,095.88-6,692.11

Finding the Fourth Proportional to 10,938.22, 15,095.88 and 6,692.11

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Solution

The fourth proportional to 10,938.22, 15,095.88 and 6,692.11 is: 9,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.22 : 15,095.88 = 6,692.11 : x
  2. Step 2: Convert to fraction form
    10,938.22/15,095.88 = 6,692.11/x
  3. Step 3: Cross multiply
    10,938.22x = 15,095.88 × 6,692.11
  4. Step 4: Simplify right side
    10,938.22x = 101,023,289.51
  5. Step 5: Solve for x
    x = 101,023,289.51/10,938.22
  6. Step 6: Final answer
    x = 9,235.81

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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.