Home / 7,848.92-10,831.38-4,312.46

Finding the Fourth Proportional to 7,848.92, 10,831.38 and 4,312.46

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Solution

The fourth proportional to 7,848.92, 10,831.38 and 4,312.46 is: 5,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.92 : 10,831.38 = 4,312.46 : x
  2. Step 2: Convert to fraction form
    7,848.92/10,831.38 = 4,312.46/x
  3. Step 3: Cross multiply
    7,848.92x = 10,831.38 × 4,312.46
  4. Step 4: Simplify right side
    7,848.92x = 46,709,892.99
  5. Step 5: Solve for x
    x = 46,709,892.99/7,848.92
  6. Step 6: Final answer
    x = 5,951.12

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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.