Home / 6,892.31-9,515.29-5,274.18

Finding the Fourth Proportional to 6,892.31, 9,515.29 and 5,274.18

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Solution

The fourth proportional to 6,892.31, 9,515.29 and 5,274.18 is: 7,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.31 : 9,515.29 = 5,274.18 : x
  2. Step 2: Convert to fraction form
    6,892.31/9,515.29 = 5,274.18/x
  3. Step 3: Cross multiply
    6,892.31x = 9,515.29 × 5,274.18
  4. Step 4: Simplify right side
    6,892.31x = 50,185,325.84
  5. Step 5: Solve for x
    x = 50,185,325.84/6,892.31
  6. Step 6: Final answer
    x = 7,281.35

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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.