Home / 12,834.91-19,263.30-7,562.20

Finding the Fourth Proportional to 12,834.91, 19,263.30 and 7,562.20

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Solution

The fourth proportional to 12,834.91, 19,263.30 and 7,562.20 is: 11,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.91 : 19,263.30 = 7,562.20 : x
  2. Step 2: Convert to fraction form
    12,834.91/19,263.30 = 7,562.20/x
  3. Step 3: Cross multiply
    12,834.91x = 19,263.30 × 7,562.20
  4. Step 4: Simplify right side
    12,834.91x = 145,672,927.26
  5. Step 5: Solve for x
    x = 145,672,927.26/12,834.91
  6. Step 6: Final answer
    x = 11,349.74

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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.