Home / 10,303.72-14,221.38-6,326.92

Finding the Fourth Proportional to 10,303.72, 14,221.38 and 6,326.92

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Solution

The fourth proportional to 10,303.72, 14,221.38 and 6,326.92 is: 8,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.72 : 14,221.38 = 6,326.92 : x
  2. Step 2: Convert to fraction form
    10,303.72/14,221.38 = 6,326.92/x
  3. Step 3: Cross multiply
    10,303.72x = 14,221.38 × 6,326.92
  4. Step 4: Simplify right side
    10,303.72x = 89,977,533.55
  5. Step 5: Solve for x
    x = 89,977,533.55/10,303.72
  6. Step 6: Final answer
    x = 8,732.53

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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.