Home / 10,055.82-13,877.15-5,579.70

Finding the Fourth Proportional to 10,055.82, 13,877.15 and 5,579.70

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Solution

The fourth proportional to 10,055.82, 13,877.15 and 5,579.70 is: 7,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.82 : 13,877.15 = 5,579.70 : x
  2. Step 2: Convert to fraction form
    10,055.82/13,877.15 = 5,579.70/x
  3. Step 3: Cross multiply
    10,055.82x = 13,877.15 × 5,579.70
  4. Step 4: Simplify right side
    10,055.82x = 77,430,305.96
  5. Step 5: Solve for x
    x = 77,430,305.96/10,055.82
  6. Step 6: Final answer
    x = 7,700.05

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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.