Home / 6,947.12-9,588.59-4,428.73

Finding the Fourth Proportional to 6,947.12, 9,588.59 and 4,428.73

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Solution

The fourth proportional to 6,947.12, 9,588.59 and 4,428.73 is: 6,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947.12 : 9,588.59 = 4,428.73 : x
  2. Step 2: Convert to fraction form
    6,947.12/9,588.59 = 4,428.73/x
  3. Step 3: Cross multiply
    6,947.12x = 9,588.59 × 4,428.73
  4. Step 4: Simplify right side
    6,947.12x = 42,465,276.19
  5. Step 5: Solve for x
    x = 42,465,276.19/6,947.12
  6. Step 6: Final answer
    x = 6,112.64

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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.