Home / 10,988.23-15,163.67-6,272.50

Finding the Fourth Proportional to 10,988.23, 15,163.67 and 6,272.50

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Solution

The fourth proportional to 10,988.23, 15,163.67 and 6,272.50 is: 8,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.23 : 15,163.67 = 6,272.50 : x
  2. Step 2: Convert to fraction form
    10,988.23/15,163.67 = 6,272.50/x
  3. Step 3: Cross multiply
    10,988.23x = 15,163.67 × 6,272.50
  4. Step 4: Simplify right side
    10,988.23x = 95,114,097.85
  5. Step 5: Solve for x
    x = 95,114,097.85/10,988.23
  6. Step 6: Final answer
    x = 8,656.00

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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.