Home / 11,203.23-15,460.66-6,423.95

Finding the Fourth Proportional to 11,203.23, 15,460.66 and 6,423.95

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Solution

The fourth proportional to 11,203.23, 15,460.66 and 6,423.95 is: 8,865.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.23 : 15,460.66 = 6,423.95 : x
  2. Step 2: Convert to fraction form
    11,203.23/15,460.66 = 6,423.95/x
  3. Step 3: Cross multiply
    11,203.23x = 15,460.66 × 6,423.95
  4. Step 4: Simplify right side
    11,203.23x = 99,318,529.40
  5. Step 5: Solve for x
    x = 99,318,529.40/11,203.23
  6. Step 6: Final answer
    x = 8,865.17

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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.