Home / 7,028.41-9,679.46-6,875.32

Finding the Fourth Proportional to 7,028.41, 9,679.46 and 6,875.32

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Solution

The fourth proportional to 7,028.41, 9,679.46 and 6,875.32 is: 9,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.41 : 9,679.46 = 6,875.32 : x
  2. Step 2: Convert to fraction form
    7,028.41/9,679.46 = 6,875.32/x
  3. Step 3: Cross multiply
    7,028.41x = 9,679.46 × 6,875.32
  4. Step 4: Simplify right side
    7,028.41x = 66,549,384.93
  5. Step 5: Solve for x
    x = 66,549,384.93/7,028.41
  6. Step 6: Final answer
    x = 9,468.63

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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.