Home / 28,709.04-43,063.50-7,649.08

Finding the Fourth Proportional to 28,709.04, 43,063.50 and 7,649.08

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Solution

The fourth proportional to 28,709.04, 43,063.50 and 7,649.08 is: 11,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.04 : 43,063.50 = 7,649.08 : x
  2. Step 2: Convert to fraction form
    28,709.04/43,063.50 = 7,649.08/x
  3. Step 3: Cross multiply
    28,709.04x = 43,063.50 × 7,649.08
  4. Step 4: Simplify right side
    28,709.04x = 329,396,156.58
  5. Step 5: Solve for x
    x = 329,396,156.58/28,709.04
  6. Step 6: Final answer
    x = 11,473.60

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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.