Home / 10,821.02-14,933.19-6,347.99

Finding the Fourth Proportional to 10,821.02, 14,933.19 and 6,347.99

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Solution

The fourth proportional to 10,821.02, 14,933.19 and 6,347.99 is: 8,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.02 : 14,933.19 = 6,347.99 : x
  2. Step 2: Convert to fraction form
    10,821.02/14,933.19 = 6,347.99/x
  3. Step 3: Cross multiply
    10,821.02x = 14,933.19 × 6,347.99
  4. Step 4: Simplify right side
    10,821.02x = 94,795,740.79
  5. Step 5: Solve for x
    x = 94,795,740.79/10,821.02
  6. Step 6: Final answer
    x = 8,760.34

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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.