Home / 9,924.08-13,693.32-6,386.80

Finding the Fourth Proportional to 9,924.08, 13,693.32 and 6,386.80

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Solution

The fourth proportional to 9,924.08, 13,693.32 and 6,386.80 is: 8,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.08 : 13,693.32 = 6,386.80 : x
  2. Step 2: Convert to fraction form
    9,924.08/13,693.32 = 6,386.80/x
  3. Step 3: Cross multiply
    9,924.08x = 13,693.32 × 6,386.80
  4. Step 4: Simplify right side
    9,924.08x = 87,456,496.18
  5. Step 5: Solve for x
    x = 87,456,496.18/9,924.08
  6. Step 6: Final answer
    x = 8,812.55

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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.