Home / 9,829.13-13,554.72-6,467.76

Finding the Fourth Proportional to 9,829.13, 13,554.72 and 6,467.76

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Solution

The fourth proportional to 9,829.13, 13,554.72 and 6,467.76 is: 8,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.13 : 13,554.72 = 6,467.76 : x
  2. Step 2: Convert to fraction form
    9,829.13/13,554.72 = 6,467.76/x
  3. Step 3: Cross multiply
    9,829.13x = 13,554.72 × 6,467.76
  4. Step 4: Simplify right side
    9,829.13x = 87,668,675.83
  5. Step 5: Solve for x
    x = 87,668,675.83/9,829.13
  6. Step 6: Final answer
    x = 8,919.28

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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.