Home / 7,895.19-11,831.48-5,798.75

Finding the Fourth Proportional to 7,895.19, 11,831.48 and 5,798.75

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Solution

The fourth proportional to 7,895.19, 11,831.48 and 5,798.75 is: 8,689.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.19 : 11,831.48 = 5,798.75 : x
  2. Step 2: Convert to fraction form
    7,895.19/11,831.48 = 5,798.75/x
  3. Step 3: Cross multiply
    7,895.19x = 11,831.48 × 5,798.75
  4. Step 4: Simplify right side
    7,895.19x = 68,607,794.65
  5. Step 5: Solve for x
    x = 68,607,794.65/7,895.19
  6. Step 6: Final answer
    x = 8,689.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.