Home / 11,507.40-17,260.74-3,715.92

Finding the Fourth Proportional to 11,507.40, 17,260.74 and 3,715.92

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Solution

The fourth proportional to 11,507.40, 17,260.74 and 3,715.92 is: 5,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.40 : 17,260.74 = 3,715.92 : x
  2. Step 2: Convert to fraction form
    11,507.40/17,260.74 = 3,715.92/x
  3. Step 3: Cross multiply
    11,507.40x = 17,260.74 × 3,715.92
  4. Step 4: Simplify right side
    11,507.40x = 64,139,528.98
  5. Step 5: Solve for x
    x = 64,139,528.98/11,507.40
  6. Step 6: Final answer
    x = 5,573.76

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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.