Home / 12,830.48-19,246.42-4,064.74

Finding the Fourth Proportional to 12,830.48, 19,246.42 and 4,064.74

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Solution

The fourth proportional to 12,830.48, 19,246.42 and 4,064.74 is: 6,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.48 : 19,246.42 = 4,064.74 : x
  2. Step 2: Convert to fraction form
    12,830.48/19,246.42 = 4,064.74/x
  3. Step 3: Cross multiply
    12,830.48x = 19,246.42 × 4,064.74
  4. Step 4: Simplify right side
    12,830.48x = 78,231,693.23
  5. Step 5: Solve for x
    x = 78,231,693.23/12,830.48
  6. Step 6: Final answer
    x = 6,097.33

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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.