Home / 8,602.09-11,873.37-5,577.10

Finding the Fourth Proportional to 8,602.09, 11,873.37 and 5,577.10

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Solution

The fourth proportional to 8,602.09, 11,873.37 and 5,577.10 is: 7,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.09 : 11,873.37 = 5,577.10 : x
  2. Step 2: Convert to fraction form
    8,602.09/11,873.37 = 5,577.10/x
  3. Step 3: Cross multiply
    8,602.09x = 11,873.37 × 5,577.10
  4. Step 4: Simplify right side
    8,602.09x = 66,218,971.83
  5. Step 5: Solve for x
    x = 66,218,971.83/8,602.09
  6. Step 6: Final answer
    x = 7,698.01

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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.