Home / 7,643.18-11,468.01-4,176.38

Finding the Fourth Proportional to 7,643.18, 11,468.01 and 4,176.38

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Solution

The fourth proportional to 7,643.18, 11,468.01 and 4,176.38 is: 6,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.18 : 11,468.01 = 4,176.38 : x
  2. Step 2: Convert to fraction form
    7,643.18/11,468.01 = 4,176.38/x
  3. Step 3: Cross multiply
    7,643.18x = 11,468.01 × 4,176.38
  4. Step 4: Simplify right side
    7,643.18x = 47,894,767.60
  5. Step 5: Solve for x
    x = 47,894,767.60/7,643.18
  6. Step 6: Final answer
    x = 6,266.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.