Home / 10,257.11-15,386.42-3,683.35

Finding the Fourth Proportional to 10,257.11, 15,386.42 and 3,683.35

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Solution

The fourth proportional to 10,257.11, 15,386.42 and 3,683.35 is: 5,525.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.11 : 15,386.42 = 3,683.35 : x
  2. Step 2: Convert to fraction form
    10,257.11/15,386.42 = 3,683.35/x
  3. Step 3: Cross multiply
    10,257.11x = 15,386.42 × 3,683.35
  4. Step 4: Simplify right side
    10,257.11x = 56,673,570.11
  5. Step 5: Solve for x
    x = 56,673,570.11/10,257.11
  6. Step 6: Final answer
    x = 5,525.30

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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.