Home / 7,983.63-11,016.57-4,627.50

Finding the Fourth Proportional to 7,983.63, 11,016.57 and 4,627.50

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Solution

The fourth proportional to 7,983.63, 11,016.57 and 4,627.50 is: 6,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.63 : 11,016.57 = 4,627.50 : x
  2. Step 2: Convert to fraction form
    7,983.63/11,016.57 = 4,627.50/x
  3. Step 3: Cross multiply
    7,983.63x = 11,016.57 × 4,627.50
  4. Step 4: Simplify right side
    7,983.63x = 50,979,099.45
  5. Step 5: Solve for x
    x = 50,979,099.45/7,983.63
  6. Step 6: Final answer
    x = 6,385.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.