Home / 8,488.16-11,713.65-4,950.70

Finding the Fourth Proportional to 8,488.16, 11,713.65 and 4,950.70

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Solution

The fourth proportional to 8,488.16, 11,713.65 and 4,950.70 is: 6,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.16 : 11,713.65 = 4,950.70 : x
  2. Step 2: Convert to fraction form
    8,488.16/11,713.65 = 4,950.70/x
  3. Step 3: Cross multiply
    8,488.16x = 11,713.65 × 4,950.70
  4. Step 4: Simplify right side
    8,488.16x = 57,990,767.06
  5. Step 5: Solve for x
    x = 57,990,767.06/8,488.16
  6. Step 6: Final answer
    x = 6,831.96

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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.