Home / 10,557.76-15,831.34-3,535.36

Finding the Fourth Proportional to 10,557.76, 15,831.34 and 3,535.36

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Solution

The fourth proportional to 10,557.76, 15,831.34 and 3,535.36 is: 5,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.76 : 15,831.34 = 3,535.36 : x
  2. Step 2: Convert to fraction form
    10,557.76/15,831.34 = 3,535.36/x
  3. Step 3: Cross multiply
    10,557.76x = 15,831.34 × 3,535.36
  4. Step 4: Simplify right side
    10,557.76x = 55,969,486.18
  5. Step 5: Solve for x
    x = 55,969,486.18/10,557.76
  6. Step 6: Final answer
    x = 5,301.27

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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.