Home / 7,434.50-11,157.18-5,991.08

Finding the Fourth Proportional to 7,434.50, 11,157.18 and 5,991.08

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Solution

The fourth proportional to 7,434.50, 11,157.18 and 5,991.08 is: 8,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.50 : 11,157.18 = 5,991.08 : x
  2. Step 2: Convert to fraction form
    7,434.50/11,157.18 = 5,991.08/x
  3. Step 3: Cross multiply
    7,434.50x = 11,157.18 × 5,991.08
  4. Step 4: Simplify right side
    7,434.50x = 66,843,557.95
  5. Step 5: Solve for x
    x = 66,843,557.95/7,434.50
  6. Step 6: Final answer
    x = 8,991.00

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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.