Home / 9,087.17-13,628.12-3,539.28

Finding the Fourth Proportional to 9,087.17, 13,628.12 and 3,539.28

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Solution

The fourth proportional to 9,087.17, 13,628.12 and 3,539.28 is: 5,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.17 : 13,628.12 = 3,539.28 : x
  2. Step 2: Convert to fraction form
    9,087.17/13,628.12 = 3,539.28/x
  3. Step 3: Cross multiply
    9,087.17x = 13,628.12 × 3,539.28
  4. Step 4: Simplify right side
    9,087.17x = 48,233,732.55
  5. Step 5: Solve for x
    x = 48,233,732.55/9,087.17
  6. Step 6: Final answer
    x = 5,307.89

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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.