Home / 7,412.50-10,230.23-4,226.95

Finding the Fourth Proportional to 7,412.50, 10,230.23 and 4,226.95

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Solution

The fourth proportional to 7,412.50, 10,230.23 and 4,226.95 is: 5,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.50 : 10,230.23 = 4,226.95 : x
  2. Step 2: Convert to fraction form
    7,412.50/10,230.23 = 4,226.95/x
  3. Step 3: Cross multiply
    7,412.50x = 10,230.23 × 4,226.95
  4. Step 4: Simplify right side
    7,412.50x = 43,242,598.41
  5. Step 5: Solve for x
    x = 43,242,598.41/7,412.50
  6. Step 6: Final answer
    x = 5,833.74

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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.