Home / 7,647.66-10,554.57-4,291.38

Finding the Fourth Proportional to 7,647.66, 10,554.57 and 4,291.38

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Solution

The fourth proportional to 7,647.66, 10,554.57 and 4,291.38 is: 5,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.66 : 10,554.57 = 4,291.38 : x
  2. Step 2: Convert to fraction form
    7,647.66/10,554.57 = 4,291.38/x
  3. Step 3: Cross multiply
    7,647.66x = 10,554.57 × 4,291.38
  4. Step 4: Simplify right side
    7,647.66x = 45,293,670.61
  5. Step 5: Solve for x
    x = 45,293,670.61/7,647.66
  6. Step 6: Final answer
    x = 5,922.55

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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.