Home / 7,539.12-11,298.87-4,207.23

Finding the Fourth Proportional to 7,539.12, 11,298.87 and 4,207.23

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Solution

The fourth proportional to 7,539.12, 11,298.87 and 4,207.23 is: 6,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.12 : 11,298.87 = 4,207.23 : x
  2. Step 2: Convert to fraction form
    7,539.12/11,298.87 = 4,207.23/x
  3. Step 3: Cross multiply
    7,539.12x = 11,298.87 × 4,207.23
  4. Step 4: Simplify right side
    7,539.12x = 47,536,944.83
  5. Step 5: Solve for x
    x = 47,536,944.83/7,539.12
  6. Step 6: Final answer
    x = 6,305.37

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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.