Home / 10,550.44-15,831.06-4,315.06

Finding the Fourth Proportional to 10,550.44, 15,831.06 and 4,315.06

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Solution

The fourth proportional to 10,550.44, 15,831.06 and 4,315.06 is: 6,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.44 : 15,831.06 = 4,315.06 : x
  2. Step 2: Convert to fraction form
    10,550.44/15,831.06 = 4,315.06/x
  3. Step 3: Cross multiply
    10,550.44x = 15,831.06 × 4,315.06
  4. Step 4: Simplify right side
    10,550.44x = 68,311,973.76
  5. Step 5: Solve for x
    x = 68,311,973.76/10,550.44
  6. Step 6: Final answer
    x = 6,474.80

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1.5x scale

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.