Home / 8,276.32-11,432.93-7,528.96

Finding the Fourth Proportional to 8,276.32, 11,432.93 and 7,528.96

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Solution

The fourth proportional to 8,276.32, 11,432.93 and 7,528.96 is: 10,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.32 : 11,432.93 = 7,528.96 : x
  2. Step 2: Convert to fraction form
    8,276.32/11,432.93 = 7,528.96/x
  3. Step 3: Cross multiply
    8,276.32x = 11,432.93 × 7,528.96
  4. Step 4: Simplify right side
    8,276.32x = 86,078,072.65
  5. Step 5: Solve for x
    x = 86,078,072.65/8,276.32
  6. Step 6: Final answer
    x = 10,400.52

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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.