Home / 12,656.58-17,464.75-7,350.36

Finding the Fourth Proportional to 12,656.58, 17,464.75 and 7,350.36

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Solution

The fourth proportional to 12,656.58, 17,464.75 and 7,350.36 is: 10,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.58 : 17,464.75 = 7,350.36 : x
  2. Step 2: Convert to fraction form
    12,656.58/17,464.75 = 7,350.36/x
  3. Step 3: Cross multiply
    12,656.58x = 17,464.75 × 7,350.36
  4. Step 4: Simplify right side
    12,656.58x = 128,372,199.81
  5. Step 5: Solve for x
    x = 128,372,199.81/12,656.58
  6. Step 6: Final answer
    x = 10,142.72

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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.