Home / 12,374.05-17,066.26-10,878.79

Finding the Fourth Proportional to 12,374.05, 17,066.26 and 10,878.79

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Solution

The fourth proportional to 12,374.05, 17,066.26 and 10,878.79 is: 15,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.05 : 17,066.26 = 10,878.79 : x
  2. Step 2: Convert to fraction form
    12,374.05/17,066.26 = 10,878.79/x
  3. Step 3: Cross multiply
    12,374.05x = 17,066.26 × 10,878.79
  4. Step 4: Simplify right side
    12,374.05x = 185,660,258.63
  5. Step 5: Solve for x
    x = 185,660,258.63/12,374.05
  6. Step 6: Final answer
    x = 15,004.00

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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.