Home / 11,135.02-15,363.84-6,658.05

Finding the Fourth Proportional to 11,135.02, 15,363.84 and 6,658.05

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Solution

The fourth proportional to 11,135.02, 15,363.84 and 6,658.05 is: 9,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.02 : 15,363.84 = 6,658.05 : x
  2. Step 2: Convert to fraction form
    11,135.02/15,363.84 = 6,658.05/x
  3. Step 3: Cross multiply
    11,135.02x = 15,363.84 × 6,658.05
  4. Step 4: Simplify right side
    11,135.02x = 102,293,214.91
  5. Step 5: Solve for x
    x = 102,293,214.91/11,135.02
  6. Step 6: Final answer
    x = 9,186.62

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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.