Home / 10,904.82-16,341.60-6,215.10

Finding the Fourth Proportional to 10,904.82, 16,341.60 and 6,215.10

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Solution

The fourth proportional to 10,904.82, 16,341.60 and 6,215.10 is: 9,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.82 : 16,341.60 = 6,215.10 : x
  2. Step 2: Convert to fraction form
    10,904.82/16,341.60 = 6,215.10/x
  3. Step 3: Cross multiply
    10,904.82x = 16,341.60 × 6,215.10
  4. Step 4: Simplify right side
    10,904.82x = 101,564,678.16
  5. Step 5: Solve for x
    x = 101,564,678.16/10,904.82
  6. Step 6: Final answer
    x = 9,313.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.