Home / 10,102.77-13,941.79-5,626.58

Finding the Fourth Proportional to 10,102.77, 13,941.79 and 5,626.58

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Solution

The fourth proportional to 10,102.77, 13,941.79 and 5,626.58 is: 7,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.77 : 13,941.79 = 5,626.58 : x
  2. Step 2: Convert to fraction form
    10,102.77/13,941.79 = 5,626.58/x
  3. Step 3: Cross multiply
    10,102.77x = 13,941.79 × 5,626.58
  4. Step 4: Simplify right side
    10,102.77x = 78,444,513.00
  5. Step 5: Solve for x
    x = 78,444,513.00/10,102.77
  6. Step 6: Final answer
    x = 7,764.65

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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.