Home / 7,001.98-9,663.21-4,018.66

Finding the Fourth Proportional to 7,001.98, 9,663.21 and 4,018.66

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Solution

The fourth proportional to 7,001.98, 9,663.21 and 4,018.66 is: 5,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.98 : 9,663.21 = 4,018.66 : x
  2. Step 2: Convert to fraction form
    7,001.98/9,663.21 = 4,018.66/x
  3. Step 3: Cross multiply
    7,001.98x = 9,663.21 × 4,018.66
  4. Step 4: Simplify right side
    7,001.98x = 38,833,155.50
  5. Step 5: Solve for x
    x = 38,833,155.50/7,001.98
  6. Step 6: Final answer
    x = 5,546.02

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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.