Home / 9,557.12-13,187.68-5,577.76

Finding the Fourth Proportional to 9,557.12, 13,187.68 and 5,577.76

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Solution

The fourth proportional to 9,557.12, 13,187.68 and 5,577.76 is: 7,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.12 : 13,187.68 = 5,577.76 : x
  2. Step 2: Convert to fraction form
    9,557.12/13,187.68 = 5,577.76/x
  3. Step 3: Cross multiply
    9,557.12x = 13,187.68 × 5,577.76
  4. Step 4: Simplify right side
    9,557.12x = 73,557,714.00
  5. Step 5: Solve for x
    x = 73,557,714.00/9,557.12
  6. Step 6: Final answer
    x = 7,696.64

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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.