Home / 6,926.16-9,555.36-3,900.60

Finding the Fourth Proportional to 6,926.16, 9,555.36 and 3,900.60

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Solution

The fourth proportional to 6,926.16, 9,555.36 and 3,900.60 is: 5,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.16 : 9,555.36 = 3,900.60 : x
  2. Step 2: Convert to fraction form
    6,926.16/9,555.36 = 3,900.60/x
  3. Step 3: Cross multiply
    6,926.16x = 9,555.36 × 3,900.60
  4. Step 4: Simplify right side
    6,926.16x = 37,271,637.22
  5. Step 5: Solve for x
    x = 37,271,637.22/6,926.16
  6. Step 6: Final answer
    x = 5,381.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.