Home / 12,881.04-19,331.32-8,497.04

Finding the Fourth Proportional to 12,881.04, 19,331.32 and 8,497.04

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Solution

The fourth proportional to 12,881.04, 19,331.32 and 8,497.04 is: 12,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.04 : 19,331.32 = 8,497.04 : x
  2. Step 2: Convert to fraction form
    12,881.04/19,331.32 = 8,497.04/x
  3. Step 3: Cross multiply
    12,881.04x = 19,331.32 × 8,497.04
  4. Step 4: Simplify right side
    12,881.04x = 164,258,999.29
  5. Step 5: Solve for x
    x = 164,258,999.29/12,881.04
  6. Step 6: Final answer
    x = 12,752.00

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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.