Home / 9,255.46-12,772.84-5,276.50

Finding the Fourth Proportional to 9,255.46, 12,772.84 and 5,276.50

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Solution

The fourth proportional to 9,255.46, 12,772.84 and 5,276.50 is: 7,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.46 : 12,772.84 = 5,276.50 : x
  2. Step 2: Convert to fraction form
    9,255.46/12,772.84 = 5,276.50/x
  3. Step 3: Cross multiply
    9,255.46x = 12,772.84 × 5,276.50
  4. Step 4: Simplify right side
    9,255.46x = 67,395,890.26
  5. Step 5: Solve for x
    x = 67,395,890.26/9,255.46
  6. Step 6: Final answer
    x = 7,281.74

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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.