Home / 12,411.04-17,127.28-6,822.08

Finding the Fourth Proportional to 12,411.04, 17,127.28 and 6,822.08

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Solution

The fourth proportional to 12,411.04, 17,127.28 and 6,822.08 is: 9,414.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.04 : 17,127.28 = 6,822.08 : x
  2. Step 2: Convert to fraction form
    12,411.04/17,127.28 = 6,822.08/x
  3. Step 3: Cross multiply
    12,411.04x = 17,127.28 × 6,822.08
  4. Step 4: Simplify right side
    12,411.04x = 116,843,674.34
  5. Step 5: Solve for x
    x = 116,843,674.34/12,411.04
  6. Step 6: Final answer
    x = 9,414.50

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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.