Home / 9,785.13-14,680.28-2,765.16

Finding the Fourth Proportional to 9,785.13, 14,680.28 and 2,765.16

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Solution

The fourth proportional to 9,785.13, 14,680.28 and 2,765.16 is: 4,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.13 : 14,680.28 = 2,765.16 : x
  2. Step 2: Convert to fraction form
    9,785.13/14,680.28 = 2,765.16/x
  3. Step 3: Cross multiply
    9,785.13x = 14,680.28 × 2,765.16
  4. Step 4: Simplify right side
    9,785.13x = 40,593,323.04
  5. Step 5: Solve for x
    x = 40,593,323.04/9,785.13
  6. Step 6: Final answer
    x = 4,148.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.