Home / 7,849.09-10,831.90-4,312.44

Finding the Fourth Proportional to 7,849.09, 10,831.90 and 4,312.44

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Solution

The fourth proportional to 7,849.09, 10,831.90 and 4,312.44 is: 5,951.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.09 : 10,831.90 = 4,312.44 : x
  2. Step 2: Convert to fraction form
    7,849.09/10,831.90 = 4,312.44/x
  3. Step 3: Cross multiply
    7,849.09x = 10,831.90 × 4,312.44
  4. Step 4: Simplify right side
    7,849.09x = 46,711,864.68
  5. Step 5: Solve for x
    x = 46,711,864.68/7,849.09
  6. Step 6: Final answer
    x = 5,951.25

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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.