Home / 9,685.66-13,364.03-5,707.14

Finding the Fourth Proportional to 9,685.66, 13,364.03 and 5,707.14

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Solution

The fourth proportional to 9,685.66, 13,364.03 and 5,707.14 is: 7,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.66 : 13,364.03 = 5,707.14 : x
  2. Step 2: Convert to fraction form
    9,685.66/13,364.03 = 5,707.14/x
  3. Step 3: Cross multiply
    9,685.66x = 13,364.03 × 5,707.14
  4. Step 4: Simplify right side
    9,685.66x = 76,270,390.17
  5. Step 5: Solve for x
    x = 76,270,390.17/9,685.66
  6. Step 6: Final answer
    x = 7,874.57

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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.