Home / 9,512.84-13,111.99-7,150.88

Finding the Fourth Proportional to 9,512.84, 13,111.99 and 7,150.88

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Solution

The fourth proportional to 9,512.84, 13,111.99 and 7,150.88 is: 9,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.84 : 13,111.99 = 7,150.88 : x
  2. Step 2: Convert to fraction form
    9,512.84/13,111.99 = 7,150.88/x
  3. Step 3: Cross multiply
    9,512.84x = 13,111.99 × 7,150.88
  4. Step 4: Simplify right side
    9,512.84x = 93,762,281.95
  5. Step 5: Solve for x
    x = 93,762,281.95/9,512.84
  6. Step 6: Final answer
    x = 9,856.39

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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.