Home / 10,322.20-14,245.54-6,543.99

Finding the Fourth Proportional to 10,322.20, 14,245.54 and 6,543.99

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Solution

The fourth proportional to 10,322.20, 14,245.54 and 6,543.99 is: 9,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.20 : 14,245.54 = 6,543.99 : x
  2. Step 2: Convert to fraction form
    10,322.20/14,245.54 = 6,543.99/x
  3. Step 3: Cross multiply
    10,322.20x = 14,245.54 × 6,543.99
  4. Step 4: Simplify right side
    10,322.20x = 93,222,654.94
  5. Step 5: Solve for x
    x = 93,222,654.94/10,322.20
  6. Step 6: Final answer
    x = 9,031.28

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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.