Home / 11,363.18-15,683.11-7,328.88

Finding the Fourth Proportional to 11,363.18, 15,683.11 and 7,328.88

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Solution

The fourth proportional to 11,363.18, 15,683.11 and 7,328.88 is: 10,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.18 : 15,683.11 = 7,328.88 : x
  2. Step 2: Convert to fraction form
    11,363.18/15,683.11 = 7,328.88/x
  3. Step 3: Cross multiply
    11,363.18x = 15,683.11 × 7,328.88
  4. Step 4: Simplify right side
    11,363.18x = 114,939,631.22
  5. Step 5: Solve for x
    x = 114,939,631.22/11,363.18
  6. Step 6: Final answer
    x = 10,115.09

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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.