Home / 10,007.91-13,810.75-5,531.58

Finding the Fourth Proportional to 10,007.91, 13,810.75 and 5,531.58

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Solution

The fourth proportional to 10,007.91, 13,810.75 and 5,531.58 is: 7,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.91 : 13,810.75 = 5,531.58 : x
  2. Step 2: Convert to fraction form
    10,007.91/13,810.75 = 5,531.58/x
  3. Step 3: Cross multiply
    10,007.91x = 13,810.75 × 5,531.58
  4. Step 4: Simplify right side
    10,007.91x = 76,395,268.49
  5. Step 5: Solve for x
    x = 76,395,268.49/10,007.91
  6. Step 6: Final answer
    x = 7,633.49

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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.