Home / 10,655.93-15,971.12-7,531.25

Finding the Fourth Proportional to 10,655.93, 15,971.12 and 7,531.25

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Solution

The fourth proportional to 10,655.93, 15,971.12 and 7,531.25 is: 11,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.93 : 15,971.12 = 7,531.25 : x
  2. Step 2: Convert to fraction form
    10,655.93/15,971.12 = 7,531.25/x
  3. Step 3: Cross multiply
    10,655.93x = 15,971.12 × 7,531.25
  4. Step 4: Simplify right side
    10,655.93x = 120,282,379.99
  5. Step 5: Solve for x
    x = 120,282,379.99/10,655.93
  6. Step 6: Final answer
    x = 11,287.84

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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.