Home / 11,212.76-15,473.28-6,433.50

Finding the Fourth Proportional to 11,212.76, 15,473.28 and 6,433.50

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Solution

The fourth proportional to 11,212.76, 15,473.28 and 6,433.50 is: 8,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.76 : 15,473.28 = 6,433.50 : x
  2. Step 2: Convert to fraction form
    11,212.76/15,473.28 = 6,433.50/x
  3. Step 3: Cross multiply
    11,212.76x = 15,473.28 × 6,433.50
  4. Step 4: Simplify right side
    11,212.76x = 99,547,346.88
  5. Step 5: Solve for x
    x = 99,547,346.88/11,212.76
  6. Step 6: Final answer
    x = 8,878.04

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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.