Home / 10,011.60-15,019.67-3,437.37

Finding the Fourth Proportional to 10,011.60, 15,019.67 and 3,437.37

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Solution

The fourth proportional to 10,011.60, 15,019.67 and 3,437.37 is: 5,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.60 : 15,019.67 = 3,437.37 : x
  2. Step 2: Convert to fraction form
    10,011.60/15,019.67 = 3,437.37/x
  3. Step 3: Cross multiply
    10,011.60x = 15,019.67 × 3,437.37
  4. Step 4: Simplify right side
    10,011.60x = 51,628,171.66
  5. Step 5: Solve for x
    x = 51,628,171.66/10,011.60
  6. Step 6: Final answer
    x = 5,156.84

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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.