Home / 7,487.81-10,334.13-6,226.69

Finding the Fourth Proportional to 7,487.81, 10,334.13 and 6,226.69

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Solution

The fourth proportional to 7,487.81, 10,334.13 and 6,226.69 is: 8,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.81 : 10,334.13 = 6,226.69 : x
  2. Step 2: Convert to fraction form
    7,487.81/10,334.13 = 6,226.69/x
  3. Step 3: Cross multiply
    7,487.81x = 10,334.13 × 6,226.69
  4. Step 4: Simplify right side
    7,487.81x = 64,347,423.93
  5. Step 5: Solve for x
    x = 64,347,423.93/7,487.81
  6. Step 6: Final answer
    x = 8,593.62

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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.