Home / 11,838.10-16,342.50-7,363.30

Finding the Fourth Proportional to 11,838.10, 16,342.50 and 7,363.30

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Solution

The fourth proportional to 11,838.10, 16,342.50 and 7,363.30 is: 10,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.10 : 16,342.50 = 7,363.30 : x
  2. Step 2: Convert to fraction form
    11,838.10/16,342.50 = 7,363.30/x
  3. Step 3: Cross multiply
    11,838.10x = 16,342.50 × 7,363.30
  4. Step 4: Simplify right side
    11,838.10x = 120,334,730.25
  5. Step 5: Solve for x
    x = 120,334,730.25/11,838.10
  6. Step 6: Final answer
    x = 10,165.04

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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.