Home / 28,983.18-43,470.54-9,259.14

Finding the Fourth Proportional to 28,983.18, 43,470.54 and 9,259.14

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Solution

The fourth proportional to 28,983.18, 43,470.54 and 9,259.14 is: 13,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.18 : 43,470.54 = 9,259.14 : x
  2. Step 2: Convert to fraction form
    28,983.18/43,470.54 = 9,259.14/x
  3. Step 3: Cross multiply
    28,983.18x = 43,470.54 × 9,259.14
  4. Step 4: Simplify right side
    28,983.18x = 402,499,815.74
  5. Step 5: Solve for x
    x = 402,499,815.74/28,983.18
  6. Step 6: Final answer
    x = 13,887.36

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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.