Home / 11,056.80-15,277.81-8,837.00

Finding the Fourth Proportional to 11,056.80, 15,277.81 and 8,837.00

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Solution

The fourth proportional to 11,056.80, 15,277.81 and 8,837.00 is: 12,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.80 : 15,277.81 = 8,837.00 : x
  2. Step 2: Convert to fraction form
    11,056.80/15,277.81 = 8,837.00/x
  3. Step 3: Cross multiply
    11,056.80x = 15,277.81 × 8,837.00
  4. Step 4: Simplify right side
    11,056.80x = 135,009,908.49
  5. Step 5: Solve for x
    x = 135,009,908.49/11,056.80
  6. Step 6: Final answer
    x = 12,210.58

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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.