Home / 12,411.48-17,127.93-6,746.22

Finding the Fourth Proportional to 12,411.48, 17,127.93 and 6,746.22

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Solution

The fourth proportional to 12,411.48, 17,127.93 and 6,746.22 is: 9,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.48 : 17,127.93 = 6,746.22 : x
  2. Step 2: Convert to fraction form
    12,411.48/17,127.93 = 6,746.22/x
  3. Step 3: Cross multiply
    12,411.48x = 17,127.93 × 6,746.22
  4. Step 4: Simplify right side
    12,411.48x = 115,548,783.92
  5. Step 5: Solve for x
    x = 115,548,783.92/12,411.48
  6. Step 6: Final answer
    x = 9,309.83

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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.