Home / 7,171.23-9,901.10-4,486.52

Finding the Fourth Proportional to 7,171.23, 9,901.10 and 4,486.52

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Solution

The fourth proportional to 7,171.23, 9,901.10 and 4,486.52 is: 6,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.23 : 9,901.10 = 4,486.52 : x
  2. Step 2: Convert to fraction form
    7,171.23/9,901.10 = 4,486.52/x
  3. Step 3: Cross multiply
    7,171.23x = 9,901.10 × 4,486.52
  4. Step 4: Simplify right side
    7,171.23x = 44,421,519.14
  5. Step 5: Solve for x
    x = 44,421,519.14/7,171.23
  6. Step 6: Final answer
    x = 6,194.40

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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.