Home / 8,727.36-12,043.80-5,192.16

Finding the Fourth Proportional to 8,727.36, 12,043.80 and 5,192.16

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Solution

The fourth proportional to 8,727.36, 12,043.80 and 5,192.16 is: 7,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.36 : 12,043.80 = 5,192.16 : x
  2. Step 2: Convert to fraction form
    8,727.36/12,043.80 = 5,192.16/x
  3. Step 3: Cross multiply
    8,727.36x = 12,043.80 × 5,192.16
  4. Step 4: Simplify right side
    8,727.36x = 62,533,336.61
  5. Step 5: Solve for x
    x = 62,533,336.61/8,727.36
  6. Step 6: Final answer
    x = 7,165.21

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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.