Home / 7,014.08-9,675.12-4,179.50

Finding the Fourth Proportional to 7,014.08, 9,675.12 and 4,179.50

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Solution

The fourth proportional to 7,014.08, 9,675.12 and 4,179.50 is: 5,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.08 : 9,675.12 = 4,179.50 : x
  2. Step 2: Convert to fraction form
    7,014.08/9,675.12 = 4,179.50/x
  3. Step 3: Cross multiply
    7,014.08x = 9,675.12 × 4,179.50
  4. Step 4: Simplify right side
    7,014.08x = 40,437,164.04
  5. Step 5: Solve for x
    x = 40,437,164.04/7,014.08
  6. Step 6: Final answer
    x = 5,765.14

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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.