Home / 11,801.17-17,701.81-4,781.32

Finding the Fourth Proportional to 11,801.17, 17,701.81 and 4,781.32

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Solution

The fourth proportional to 11,801.17, 17,701.81 and 4,781.32 is: 7,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.17 : 17,701.81 = 4,781.32 : x
  2. Step 2: Convert to fraction form
    11,801.17/17,701.81 = 4,781.32/x
  3. Step 3: Cross multiply
    11,801.17x = 17,701.81 × 4,781.32
  4. Step 4: Simplify right side
    11,801.17x = 84,637,994.28
  5. Step 5: Solve for x
    x = 84,637,994.28/11,801.17
  6. Step 6: Final answer
    x = 7,172.00

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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.