Home / 7,577.10-11,365.44-4,478.58

Finding the Fourth Proportional to 7,577.10, 11,365.44 and 4,478.58

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Solution

The fourth proportional to 7,577.10, 11,365.44 and 4,478.58 is: 6,717.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.10 : 11,365.44 = 4,478.58 : x
  2. Step 2: Convert to fraction form
    7,577.10/11,365.44 = 4,478.58/x
  3. Step 3: Cross multiply
    7,577.10x = 11,365.44 × 4,478.58
  4. Step 4: Simplify right side
    7,577.10x = 50,901,032.28
  5. Step 5: Solve for x
    x = 50,901,032.28/7,577.10
  6. Step 6: Final answer
    x = 6,717.75

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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.