Home / 11,325.02-15,617.63-6,786.99

Finding the Fourth Proportional to 11,325.02, 15,617.63 and 6,786.99

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Solution

The fourth proportional to 11,325.02, 15,617.63 and 6,786.99 is: 9,359.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.02 : 15,617.63 = 6,786.99 : x
  2. Step 2: Convert to fraction form
    11,325.02/15,617.63 = 6,786.99/x
  3. Step 3: Cross multiply
    11,325.02x = 15,617.63 × 6,786.99
  4. Step 4: Simplify right side
    11,325.02x = 105,996,664.70
  5. Step 5: Solve for x
    x = 105,996,664.70/11,325.02
  6. Step 6: Final answer
    x = 9,359.52

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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.