Home / 9,875.88-13,614.66-6,728.04

Finding the Fourth Proportional to 9,875.88, 13,614.66 and 6,728.04

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Solution

The fourth proportional to 9,875.88, 13,614.66 and 6,728.04 is: 9,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.88 : 13,614.66 = 6,728.04 : x
  2. Step 2: Convert to fraction form
    9,875.88/13,614.66 = 6,728.04/x
  3. Step 3: Cross multiply
    9,875.88x = 13,614.66 × 6,728.04
  4. Step 4: Simplify right side
    9,875.88x = 91,599,977.07
  5. Step 5: Solve for x
    x = 91,599,977.07/9,875.88
  6. Step 6: Final answer
    x = 9,275.12

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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.