Home / 7,831.23-10,807.31-4,474.59

Finding the Fourth Proportional to 7,831.23, 10,807.31 and 4,474.59

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Solution

The fourth proportional to 7,831.23, 10,807.31 and 4,474.59 is: 6,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.23 : 10,807.31 = 4,474.59 : x
  2. Step 2: Convert to fraction form
    7,831.23/10,807.31 = 4,474.59/x
  3. Step 3: Cross multiply
    7,831.23x = 10,807.31 × 4,474.59
  4. Step 4: Simplify right side
    7,831.23x = 48,358,292.44
  5. Step 5: Solve for x
    x = 48,358,292.44/7,831.23
  6. Step 6: Final answer
    x = 6,175.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.