Home / 10,864.06-14,993.66-6,617.61

Finding the Fourth Proportional to 10,864.06, 14,993.66 and 6,617.61

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Solution

The fourth proportional to 10,864.06, 14,993.66 and 6,617.61 is: 9,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.06 : 14,993.66 = 6,617.61 : x
  2. Step 2: Convert to fraction form
    10,864.06/14,993.66 = 6,617.61/x
  3. Step 3: Cross multiply
    10,864.06x = 14,993.66 × 6,617.61
  4. Step 4: Simplify right side
    10,864.06x = 99,222,161.26
  5. Step 5: Solve for x
    x = 99,222,161.26/10,864.06
  6. Step 6: Final answer
    x = 9,133.07

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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.