Home / 28,763.61-43,147.27-9,042.93

Finding the Fourth Proportional to 28,763.61, 43,147.27 and 9,042.93

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Solution

The fourth proportional to 28,763.61, 43,147.27 and 9,042.93 is: 13,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.61 : 43,147.27 = 9,042.93 : x
  2. Step 2: Convert to fraction form
    28,763.61/43,147.27 = 9,042.93/x
  3. Step 3: Cross multiply
    28,763.61x = 43,147.27 × 9,042.93
  4. Step 4: Simplify right side
    28,763.61x = 390,177,742.30
  5. Step 5: Solve for x
    x = 390,177,742.30/28,763.61
  6. Step 6: Final answer
    x = 13,564.98

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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.