Home / 10,284.06-15,426.16-3,705.64

Finding the Fourth Proportional to 10,284.06, 15,426.16 and 3,705.64

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Solution

The fourth proportional to 10,284.06, 15,426.16 and 3,705.64 is: 5,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.06 : 15,426.16 = 3,705.64 : x
  2. Step 2: Convert to fraction form
    10,284.06/15,426.16 = 3,705.64/x
  3. Step 3: Cross multiply
    10,284.06x = 15,426.16 × 3,705.64
  4. Step 4: Simplify right side
    10,284.06x = 57,163,795.54
  5. Step 5: Solve for x
    x = 57,163,795.54/10,284.06
  6. Step 6: Final answer
    x = 5,558.49

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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.