Home / 8,772.48-12,104.07-5,235

Finding the Fourth Proportional to 8,772.48, 12,104.07 and 5,235

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Solution

The fourth proportional to 8,772.48, 12,104.07 and 5,235 is: 7,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.48 : 12,104.07 = 5,235 : x
  2. Step 2: Convert to fraction form
    8,772.48/12,104.07 = 5,235/x
  3. Step 3: Cross multiply
    8,772.48x = 12,104.07 × 5,235
  4. Step 4: Simplify right side
    8,772.48x = 63,364,806.45
  5. Step 5: Solve for x
    x = 63,364,806.45/8,772.48
  6. Step 6: Final answer
    x = 7,223.13

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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.