Home / 9,710.84-13,400.91-5,519.09

Finding the Fourth Proportional to 9,710.84, 13,400.91 and 5,519.09

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Solution

The fourth proportional to 9,710.84, 13,400.91 and 5,519.09 is: 7,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710.84 : 13,400.91 = 5,519.09 : x
  2. Step 2: Convert to fraction form
    9,710.84/13,400.91 = 5,519.09/x
  3. Step 3: Cross multiply
    9,710.84x = 13,400.91 × 5,519.09
  4. Step 4: Simplify right side
    9,710.84x = 73,960,828.37
  5. Step 5: Solve for x
    x = 73,960,828.37/9,710.84
  6. Step 6: Final answer
    x = 7,616.32

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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.