Home / 9,809.91-13,534.29-6,275.07

Finding the Fourth Proportional to 9,809.91, 13,534.29 and 6,275.07

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Solution

The fourth proportional to 9,809.91, 13,534.29 and 6,275.07 is: 8,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,809.91 : 13,534.29 = 6,275.07 : x
  2. Step 2: Convert to fraction form
    9,809.91/13,534.29 = 6,275.07/x
  3. Step 3: Cross multiply
    9,809.91x = 13,534.29 × 6,275.07
  4. Step 4: Simplify right side
    9,809.91x = 84,928,617.15
  5. Step 5: Solve for x
    x = 84,928,617.15/9,809.91
  6. Step 6: Final answer
    x = 8,657.43

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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.