Home / 10,011.76-13,815.96-5,474.26

Finding the Fourth Proportional to 10,011.76, 13,815.96 and 5,474.26

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Solution

The fourth proportional to 10,011.76, 13,815.96 and 5,474.26 is: 7,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.76 : 13,815.96 = 5,474.26 : x
  2. Step 2: Convert to fraction form
    10,011.76/13,815.96 = 5,474.26/x
  3. Step 3: Cross multiply
    10,011.76x = 13,815.96 × 5,474.26
  4. Step 4: Simplify right side
    10,011.76x = 75,632,157.19
  5. Step 5: Solve for x
    x = 75,632,157.19/10,011.76
  6. Step 6: Final answer
    x = 7,554.33

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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.