Home / 9,911.54-13,677.45-5,434.46

Finding the Fourth Proportional to 9,911.54, 13,677.45 and 5,434.46

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Solution

The fourth proportional to 9,911.54, 13,677.45 and 5,434.46 is: 7,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,911.54 : 13,677.45 = 5,434.46 : x
  2. Step 2: Convert to fraction form
    9,911.54/13,677.45 = 5,434.46/x
  3. Step 3: Cross multiply
    9,911.54x = 13,677.45 × 5,434.46
  4. Step 4: Simplify right side
    9,911.54x = 74,329,554.93
  5. Step 5: Solve for x
    x = 74,329,554.93/9,911.54
  6. Step 6: Final answer
    x = 7,499.29

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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.