Home / 10,901.76-16,342.40-5,056.64

Finding the Fourth Proportional to 10,901.76, 16,342.40 and 5,056.64

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Solution

The fourth proportional to 10,901.76, 16,342.40 and 5,056.64 is: 7,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.76 : 16,342.40 = 5,056.64 : x
  2. Step 2: Convert to fraction form
    10,901.76/16,342.40 = 5,056.64/x
  3. Step 3: Cross multiply
    10,901.76x = 16,342.40 × 5,056.64
  4. Step 4: Simplify right side
    10,901.76x = 82,637,633.54
  5. Step 5: Solve for x
    x = 82,637,633.54/10,901.76
  6. Step 6: Final answer
    x = 7,580.21

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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.