Home / 10,943.10-15,102.45-6,228.90

Finding the Fourth Proportional to 10,943.10, 15,102.45 and 6,228.90

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Solution

The fourth proportional to 10,943.10, 15,102.45 and 6,228.90 is: 8,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.10 : 15,102.45 = 6,228.90 : x
  2. Step 2: Convert to fraction form
    10,943.10/15,102.45 = 6,228.90/x
  3. Step 3: Cross multiply
    10,943.10x = 15,102.45 × 6,228.90
  4. Step 4: Simplify right side
    10,943.10x = 94,071,650.81
  5. Step 5: Solve for x
    x = 94,071,650.81/10,943.10
  6. Step 6: Final answer
    x = 8,596.44

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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.