Home / 7,848.56-10,831.20-4,311.74

Finding the Fourth Proportional to 7,848.56, 10,831.20 and 4,311.74

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Solution

The fourth proportional to 7,848.56, 10,831.20 and 4,311.74 is: 5,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.56 : 10,831.20 = 4,311.74 : x
  2. Step 2: Convert to fraction form
    7,848.56/10,831.20 = 4,311.74/x
  3. Step 3: Cross multiply
    7,848.56x = 10,831.20 × 4,311.74
  4. Step 4: Simplify right side
    7,848.56x = 46,701,318.29
  5. Step 5: Solve for x
    x = 46,701,318.29/7,848.56
  6. Step 6: Final answer
    x = 5,950.30

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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.