Home / 7,634.07-10,529.01-5,115.36

Finding the Fourth Proportional to 7,634.07, 10,529.01 and 5,115.36

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Solution

The fourth proportional to 7,634.07, 10,529.01 and 5,115.36 is: 7,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.07 : 10,529.01 = 5,115.36 : x
  2. Step 2: Convert to fraction form
    7,634.07/10,529.01 = 5,115.36/x
  3. Step 3: Cross multiply
    7,634.07x = 10,529.01 × 5,115.36
  4. Step 4: Simplify right side
    7,634.07x = 53,859,676.59
  5. Step 5: Solve for x
    x = 53,859,676.59/7,634.07
  6. Step 6: Final answer
    x = 7,055.17

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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.