Home / 7,642.18-11,466.51-4,175.38

Finding the Fourth Proportional to 7,642.18, 11,466.51 and 4,175.38

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Solution

The fourth proportional to 7,642.18, 11,466.51 and 4,175.38 is: 6,264.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.18 : 11,466.51 = 4,175.38 : x
  2. Step 2: Convert to fraction form
    7,642.18/11,466.51 = 4,175.38/x
  3. Step 3: Cross multiply
    7,642.18x = 11,466.51 × 4,175.38
  4. Step 4: Simplify right side
    7,642.18x = 47,877,036.52
  5. Step 5: Solve for x
    x = 47,877,036.52/7,642.18
  6. Step 6: Final answer
    x = 6,264.84

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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.