Home / 12,864.58-19,298.29-4,097.48

Finding the Fourth Proportional to 12,864.58, 19,298.29 and 4,097.48

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Solution

The fourth proportional to 12,864.58, 19,298.29 and 4,097.48 is: 6,146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.58 : 19,298.29 = 4,097.48 : x
  2. Step 2: Convert to fraction form
    12,864.58/19,298.29 = 4,097.48/x
  3. Step 3: Cross multiply
    12,864.58x = 19,298.29 × 4,097.48
  4. Step 4: Simplify right side
    12,864.58x = 79,074,338.31
  5. Step 5: Solve for x
    x = 79,074,338.31/12,864.58
  6. Step 6: Final answer
    x = 6,146.67

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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.