Home / 9,159.12-12,640.07-5,800.70

Finding the Fourth Proportional to 9,159.12, 12,640.07 and 5,800.70

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Solution

The fourth proportional to 9,159.12, 12,640.07 and 5,800.70 is: 8,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.12 : 12,640.07 = 5,800.70 : x
  2. Step 2: Convert to fraction form
    9,159.12/12,640.07 = 5,800.70/x
  3. Step 3: Cross multiply
    9,159.12x = 12,640.07 × 5,800.70
  4. Step 4: Simplify right side
    9,159.12x = 73,321,300.15
  5. Step 5: Solve for x
    x = 73,321,300.15/9,159.12
  6. Step 6: Final answer
    x = 8,005.28

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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.