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Finding the Fourth Proportional to 6,867.04, 9,479 and 4,509.92

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Solution

The fourth proportional to 6,867.04, 9,479 and 4,509.92 is: 6,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.04 : 9,479 = 4,509.92 : x
  2. Step 2: Convert to fraction form
    6,867.04/9,479 = 4,509.92/x
  3. Step 3: Cross multiply
    6,867.04x = 9,479 × 4,509.92
  4. Step 4: Simplify right side
    6,867.04x = 42,749,531.68
  5. Step 5: Solve for x
    x = 42,749,531.68/6,867.04
  6. Step 6: Final answer
    x = 6,225.32

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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.