Home / 9,812.97-13,527.59-7,713.45

Finding the Fourth Proportional to 9,812.97, 13,527.59 and 7,713.45

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Solution

The fourth proportional to 9,812.97, 13,527.59 and 7,713.45 is: 10,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.97 : 13,527.59 = 7,713.45 : x
  2. Step 2: Convert to fraction form
    9,812.97/13,527.59 = 7,713.45/x
  3. Step 3: Cross multiply
    9,812.97x = 13,527.59 × 7,713.45
  4. Step 4: Simplify right side
    9,812.97x = 104,344,350.52
  5. Step 5: Solve for x
    x = 104,344,350.52/9,812.97
  6. Step 6: Final answer
    x = 10,633.31

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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.