Home / 10,056.21-13,877.36-5,579.87

Finding the Fourth Proportional to 10,056.21, 13,877.36 and 5,579.87

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Solution

The fourth proportional to 10,056.21, 13,877.36 and 5,579.87 is: 7,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.21 : 13,877.36 = 5,579.87 : x
  2. Step 2: Convert to fraction form
    10,056.21/13,877.36 = 5,579.87/x
  3. Step 3: Cross multiply
    10,056.21x = 13,877.36 × 5,579.87
  4. Step 4: Simplify right side
    10,056.21x = 77,433,767.46
  5. Step 5: Solve for x
    x = 77,433,767.46/10,056.21
  6. Step 6: Final answer
    x = 7,700.09

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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.