Home / 7,637.12-11,446.10-4,126.98

Finding the Fourth Proportional to 7,637.12, 11,446.10 and 4,126.98

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Solution

The fourth proportional to 7,637.12, 11,446.10 and 4,126.98 is: 6,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,637.12 : 11,446.10 = 4,126.98 : x
  2. Step 2: Convert to fraction form
    7,637.12/11,446.10 = 4,126.98/x
  3. Step 3: Cross multiply
    7,637.12x = 11,446.10 × 4,126.98
  4. Step 4: Simplify right side
    7,637.12x = 47,237,825.78
  5. Step 5: Solve for x
    x = 47,237,825.78/7,637.12
  6. Step 6: Final answer
    x = 6,185.29

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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.