Home / 11,555.14-17,336.19-4,888.21

Finding the Fourth Proportional to 11,555.14, 17,336.19 and 4,888.21

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Solution

The fourth proportional to 11,555.14, 17,336.19 and 4,888.21 is: 7,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.14 : 17,336.19 = 4,888.21 : x
  2. Step 2: Convert to fraction form
    11,555.14/17,336.19 = 4,888.21/x
  3. Step 3: Cross multiply
    11,555.14x = 17,336.19 × 4,888.21
  4. Step 4: Simplify right side
    11,555.14x = 84,742,944.82
  5. Step 5: Solve for x
    x = 84,742,944.82/11,555.14
  6. Step 6: Final answer
    x = 7,333.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.