Home / 8,348.69-11,521.75-4,812.13

Finding the Fourth Proportional to 8,348.69, 11,521.75 and 4,812.13

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Solution

The fourth proportional to 8,348.69, 11,521.75 and 4,812.13 is: 6,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.69 : 11,521.75 = 4,812.13 : x
  2. Step 2: Convert to fraction form
    8,348.69/11,521.75 = 4,812.13/x
  3. Step 3: Cross multiply
    8,348.69x = 11,521.75 × 4,812.13
  4. Step 4: Simplify right side
    8,348.69x = 55,444,158.83
  5. Step 5: Solve for x
    x = 55,444,158.83/8,348.69
  6. Step 6: Final answer
    x = 6,641.06

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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.