Home / 7,849.48-10,831.56-4,491.70

Finding the Fourth Proportional to 7,849.48, 10,831.56 and 4,491.70

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Solution

The fourth proportional to 7,849.48, 10,831.56 and 4,491.70 is: 6,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.48 : 10,831.56 = 4,491.70 : x
  2. Step 2: Convert to fraction form
    7,849.48/10,831.56 = 4,491.70/x
  3. Step 3: Cross multiply
    7,849.48x = 10,831.56 × 4,491.70
  4. Step 4: Simplify right side
    7,849.48x = 48,652,118.05
  5. Step 5: Solve for x
    x = 48,652,118.05/7,849.48
  6. Step 6: Final answer
    x = 6,198.13

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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.