Home / 7,849.10-10,831.10-4,312.48

Finding the Fourth Proportional to 7,849.10, 10,831.10 and 4,312.48

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Solution

The fourth proportional to 7,849.10, 10,831.10 and 4,312.48 is: 5,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.10 : 10,831.10 = 4,312.48 : x
  2. Step 2: Convert to fraction form
    7,849.10/10,831.10 = 4,312.48/x
  3. Step 3: Cross multiply
    7,849.10x = 10,831.10 × 4,312.48
  4. Step 4: Simplify right side
    7,849.10x = 46,708,902.13
  5. Step 5: Solve for x
    x = 46,708,902.13/7,849.10
  6. Step 6: Final answer
    x = 5,950.86

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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.