Home / 9,843.63-13,590.36-6,312.99

Finding the Fourth Proportional to 9,843.63, 13,590.36 and 6,312.99

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Solution

The fourth proportional to 9,843.63, 13,590.36 and 6,312.99 is: 8,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,843.63 : 13,590.36 = 6,312.99 : x
  2. Step 2: Convert to fraction form
    9,843.63/13,590.36 = 6,312.99/x
  3. Step 3: Cross multiply
    9,843.63x = 13,590.36 × 6,312.99
  4. Step 4: Simplify right side
    9,843.63x = 85,795,806.78
  5. Step 5: Solve for x
    x = 85,795,806.78/9,843.63
  6. Step 6: Final answer
    x = 8,715.87

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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.