Home / 9,643.04-13,302.60-6,493.76

Finding the Fourth Proportional to 9,643.04, 13,302.60 and 6,493.76

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Solution

The fourth proportional to 9,643.04, 13,302.60 and 6,493.76 is: 8,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.04 : 13,302.60 = 6,493.76 : x
  2. Step 2: Convert to fraction form
    9,643.04/13,302.60 = 6,493.76/x
  3. Step 3: Cross multiply
    9,643.04x = 13,302.60 × 6,493.76
  4. Step 4: Simplify right side
    9,643.04x = 86,383,891.78
  5. Step 5: Solve for x
    x = 86,383,891.78/9,643.04
  6. Step 6: Final answer
    x = 8,958.16

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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.