Home / 12,974.56-19,464.68-4,210.36

Finding the Fourth Proportional to 12,974.56, 19,464.68 and 4,210.36

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Solution

The fourth proportional to 12,974.56, 19,464.68 and 4,210.36 is: 6,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.56 : 19,464.68 = 4,210.36 : x
  2. Step 2: Convert to fraction form
    12,974.56/19,464.68 = 4,210.36/x
  3. Step 3: Cross multiply
    12,974.56x = 19,464.68 × 4,210.36
  4. Step 4: Simplify right side
    12,974.56x = 81,953,191.71
  5. Step 5: Solve for x
    x = 81,953,191.71/12,974.56
  6. Step 6: Final answer
    x = 6,316.45

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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.