Home / 11,193.21-15,445.76-6,476.58

Finding the Fourth Proportional to 11,193.21, 15,445.76 and 6,476.58

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Solution

The fourth proportional to 11,193.21, 15,445.76 and 6,476.58 is: 8,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.21 : 15,445.76 = 6,476.58 : x
  2. Step 2: Convert to fraction form
    11,193.21/15,445.76 = 6,476.58/x
  3. Step 3: Cross multiply
    11,193.21x = 15,445.76 × 6,476.58
  4. Step 4: Simplify right side
    11,193.21x = 100,035,667.92
  5. Step 5: Solve for x
    x = 100,035,667.92/11,193.21
  6. Step 6: Final answer
    x = 8,937.17

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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.