Home / 10,569.31-15,855.18-6,186.81

Finding the Fourth Proportional to 10,569.31, 15,855.18 and 6,186.81

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Solution

The fourth proportional to 10,569.31, 15,855.18 and 6,186.81 is: 9,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.31 : 15,855.18 = 6,186.81 : x
  2. Step 2: Convert to fraction form
    10,569.31/15,855.18 = 6,186.81/x
  3. Step 3: Cross multiply
    10,569.31x = 15,855.18 × 6,186.81
  4. Step 4: Simplify right side
    10,569.31x = 98,092,986.18
  5. Step 5: Solve for x
    x = 98,092,986.18/10,569.31
  6. Step 6: Final answer
    x = 9,280.93

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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.