Home / 7,673.12-10,587.84-4,690.24

Finding the Fourth Proportional to 7,673.12, 10,587.84 and 4,690.24

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Solution

The fourth proportional to 7,673.12, 10,587.84 and 4,690.24 is: 6,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.12 : 10,587.84 = 4,690.24 : x
  2. Step 2: Convert to fraction form
    7,673.12/10,587.84 = 4,690.24/x
  3. Step 3: Cross multiply
    7,673.12x = 10,587.84 × 4,690.24
  4. Step 4: Simplify right side
    7,673.12x = 49,659,510.68
  5. Step 5: Solve for x
    x = 49,659,510.68/7,673.12
  6. Step 6: Final answer
    x = 6,471.88

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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.