Home / 11,437.46-17,154.12-3,430.58

Finding the Fourth Proportional to 11,437.46, 17,154.12 and 3,430.58

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Solution

The fourth proportional to 11,437.46, 17,154.12 and 3,430.58 is: 5,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.46 : 17,154.12 = 3,430.58 : x
  2. Step 2: Convert to fraction form
    11,437.46/17,154.12 = 3,430.58/x
  3. Step 3: Cross multiply
    11,437.46x = 17,154.12 × 3,430.58
  4. Step 4: Simplify right side
    11,437.46x = 58,848,580.99
  5. Step 5: Solve for x
    x = 58,848,580.99/11,437.46
  6. Step 6: Final answer
    x = 5,145.25

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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.