Home / 6,930.60-9,560.88-4,276.32

Finding the Fourth Proportional to 6,930.60, 9,560.88 and 4,276.32

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Solution

The fourth proportional to 6,930.60, 9,560.88 and 4,276.32 is: 5,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.60 : 9,560.88 = 4,276.32 : x
  2. Step 2: Convert to fraction form
    6,930.60/9,560.88 = 4,276.32/x
  3. Step 3: Cross multiply
    6,930.60x = 9,560.88 × 4,276.32
  4. Step 4: Simplify right side
    6,930.60x = 40,885,382.36
  5. Step 5: Solve for x
    x = 40,885,382.36/6,930.60
  6. Step 6: Final answer
    x = 5,899.26

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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.