Home / 10,007.48-13,811.04-5,531.14

Finding the Fourth Proportional to 10,007.48, 13,811.04 and 5,531.14

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Solution

The fourth proportional to 10,007.48, 13,811.04 and 5,531.14 is: 7,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.48 : 13,811.04 = 5,531.14 : x
  2. Step 2: Convert to fraction form
    10,007.48/13,811.04 = 5,531.14/x
  3. Step 3: Cross multiply
    10,007.48x = 13,811.04 × 5,531.14
  4. Step 4: Simplify right side
    10,007.48x = 76,390,712.90
  5. Step 5: Solve for x
    x = 76,390,712.90/10,007.48
  6. Step 6: Final answer
    x = 7,633.36

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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.