Home / 10,371.04-15,551.09-4,520.81

Finding the Fourth Proportional to 10,371.04, 15,551.09 and 4,520.81

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Solution

The fourth proportional to 10,371.04, 15,551.09 and 4,520.81 is: 6,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.04 : 15,551.09 = 4,520.81 : x
  2. Step 2: Convert to fraction form
    10,371.04/15,551.09 = 4,520.81/x
  3. Step 3: Cross multiply
    10,371.04x = 15,551.09 × 4,520.81
  4. Step 4: Simplify right side
    10,371.04x = 70,303,556.41
  5. Step 5: Solve for x
    x = 70,303,556.41/10,371.04
  6. Step 6: Final answer
    x = 6,778.84

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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.