Home / 10,314.51-15,471.77-3,740.69

Finding the Fourth Proportional to 10,314.51, 15,471.77 and 3,740.69

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Solution

The fourth proportional to 10,314.51, 15,471.77 and 3,740.69 is: 5,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.51 : 15,471.77 = 3,740.69 : x
  2. Step 2: Convert to fraction form
    10,314.51/15,471.77 = 3,740.69/x
  3. Step 3: Cross multiply
    10,314.51x = 15,471.77 × 3,740.69
  4. Step 4: Simplify right side
    10,314.51x = 57,874,999.26
  5. Step 5: Solve for x
    x = 57,874,999.26/10,314.51
  6. Step 6: Final answer
    x = 5,611.03

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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.