Home / 8,632.23-12,951.08-3,085.45

Finding the Fourth Proportional to 8,632.23, 12,951.08 and 3,085.45

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Solution

The fourth proportional to 8,632.23, 12,951.08 and 3,085.45 is: 4,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.23 : 12,951.08 = 3,085.45 : x
  2. Step 2: Convert to fraction form
    8,632.23/12,951.08 = 3,085.45/x
  3. Step 3: Cross multiply
    8,632.23x = 12,951.08 × 3,085.45
  4. Step 4: Simplify right side
    8,632.23x = 39,959,963.76
  5. Step 5: Solve for x
    x = 39,959,963.76/8,632.23
  6. Step 6: Final answer
    x = 4,629.16

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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.