Home / 10,552.61-15,831.80-3,533.78

Finding the Fourth Proportional to 10,552.61, 15,831.80 and 3,533.78

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Solution

The fourth proportional to 10,552.61, 15,831.80 and 3,533.78 is: 5,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.61 : 15,831.80 = 3,533.78 : x
  2. Step 2: Convert to fraction form
    10,552.61/15,831.80 = 3,533.78/x
  3. Step 3: Cross multiply
    10,552.61x = 15,831.80 × 3,533.78
  4. Step 4: Simplify right side
    10,552.61x = 55,946,133.37
  5. Step 5: Solve for x
    x = 55,946,133.37/10,552.61
  6. Step 6: Final answer
    x = 5,301.64

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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.