Home / 9,008.04-12,465.18-7,679.64

Finding the Fourth Proportional to 9,008.04, 12,465.18 and 7,679.64

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Solution

The fourth proportional to 9,008.04, 12,465.18 and 7,679.64 is: 10,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.04 : 12,465.18 = 7,679.64 : x
  2. Step 2: Convert to fraction form
    9,008.04/12,465.18 = 7,679.64/x
  3. Step 3: Cross multiply
    9,008.04x = 12,465.18 × 7,679.64
  4. Step 4: Simplify right side
    9,008.04x = 95,728,094.94
  5. Step 5: Solve for x
    x = 95,728,094.94/9,008.04
  6. Step 6: Final answer
    x = 10,626.96

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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.