Home / 7,118.88-10,674.83-4,158.07

Finding the Fourth Proportional to 7,118.88, 10,674.83 and 4,158.07

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Solution

The fourth proportional to 7,118.88, 10,674.83 and 4,158.07 is: 6,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.88 : 10,674.83 = 4,158.07 : x
  2. Step 2: Convert to fraction form
    7,118.88/10,674.83 = 4,158.07/x
  3. Step 3: Cross multiply
    7,118.88x = 10,674.83 × 4,158.07
  4. Step 4: Simplify right side
    7,118.88x = 44,386,658.49
  5. Step 5: Solve for x
    x = 44,386,658.49/7,118.88
  6. Step 6: Final answer
    x = 6,235.06

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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.