Home / 10,561.92-15,831.36-4,710.56

Finding the Fourth Proportional to 10,561.92, 15,831.36 and 4,710.56

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Solution

The fourth proportional to 10,561.92, 15,831.36 and 4,710.56 is: 7,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.92 : 15,831.36 = 4,710.56 : x
  2. Step 2: Convert to fraction form
    10,561.92/15,831.36 = 4,710.56/x
  3. Step 3: Cross multiply
    10,561.92x = 15,831.36 × 4,710.56
  4. Step 4: Simplify right side
    10,561.92x = 74,574,571.16
  5. Step 5: Solve for x
    x = 74,574,571.16/10,561.92
  6. Step 6: Final answer
    x = 7,060.70

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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.