Home / 10,487.14-15,733.44-3,913.38

Finding the Fourth Proportional to 10,487.14, 15,733.44 and 3,913.38

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Solution

The fourth proportional to 10,487.14, 15,733.44 and 3,913.38 is: 5,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.14 : 15,733.44 = 3,913.38 : x
  2. Step 2: Convert to fraction form
    10,487.14/15,733.44 = 3,913.38/x
  3. Step 3: Cross multiply
    10,487.14x = 15,733.44 × 3,913.38
  4. Step 4: Simplify right side
    10,487.14x = 61,570,831.19
  5. Step 5: Solve for x
    x = 61,570,831.19/10,487.14
  6. Step 6: Final answer
    x = 5,871.08

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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.