Home / 10,666.04-15,986.08-7,546.95

Finding the Fourth Proportional to 10,666.04, 15,986.08 and 7,546.95

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Solution

The fourth proportional to 10,666.04, 15,986.08 and 7,546.95 is: 11,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.04 : 15,986.08 = 7,546.95 : x
  2. Step 2: Convert to fraction form
    10,666.04/15,986.08 = 7,546.95/x
  3. Step 3: Cross multiply
    10,666.04x = 15,986.08 × 7,546.95
  4. Step 4: Simplify right side
    10,666.04x = 120,646,155.89
  5. Step 5: Solve for x
    x = 120,646,155.89/10,666.04
  6. Step 6: Final answer
    x = 11,311.25

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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.