Home / 10,114.85-13,956.81-5,637.59

Finding the Fourth Proportional to 10,114.85, 13,956.81 and 5,637.59

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Solution

The fourth proportional to 10,114.85, 13,956.81 and 5,637.59 is: 7,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.85 : 13,956.81 = 5,637.59 : x
  2. Step 2: Convert to fraction form
    10,114.85/13,956.81 = 5,637.59/x
  3. Step 3: Cross multiply
    10,114.85x = 13,956.81 × 5,637.59
  4. Step 4: Simplify right side
    10,114.85x = 78,682,702.70
  5. Step 5: Solve for x
    x = 78,682,702.70/10,114.85
  6. Step 6: Final answer
    x = 7,778.93

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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.