Home / 7,106.10-9,785.52-4,865.64

Finding the Fourth Proportional to 7,106.10, 9,785.52 and 4,865.64

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Solution

The fourth proportional to 7,106.10, 9,785.52 and 4,865.64 is: 6,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.10 : 9,785.52 = 4,865.64 : x
  2. Step 2: Convert to fraction form
    7,106.10/9,785.52 = 4,865.64/x
  3. Step 3: Cross multiply
    7,106.10x = 9,785.52 × 4,865.64
  4. Step 4: Simplify right side
    7,106.10x = 47,612,817.53
  5. Step 5: Solve for x
    x = 47,612,817.53/7,106.10
  6. Step 6: Final answer
    x = 6,700.27

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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.