Home / 7,655.12-10,565.22-4,672.68

Finding the Fourth Proportional to 7,655.12, 10,565.22 and 4,672.68

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Solution

The fourth proportional to 7,655.12, 10,565.22 and 4,672.68 is: 6,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.12 : 10,565.22 = 4,672.68 : x
  2. Step 2: Convert to fraction form
    7,655.12/10,565.22 = 4,672.68/x
  3. Step 3: Cross multiply
    7,655.12x = 10,565.22 × 4,672.68
  4. Step 4: Simplify right side
    7,655.12x = 49,367,903.24
  5. Step 5: Solve for x
    x = 49,367,903.24/7,655.12
  6. Step 6: Final answer
    x = 6,449.01

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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.