Home / 11,150.02-15,384.54-6,433.48

Finding the Fourth Proportional to 11,150.02, 15,384.54 and 6,433.48

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Solution

The fourth proportional to 11,150.02, 15,384.54 and 6,433.48 is: 8,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.02 : 15,384.54 = 6,433.48 : x
  2. Step 2: Convert to fraction form
    11,150.02/15,384.54 = 6,433.48/x
  3. Step 3: Cross multiply
    11,150.02x = 15,384.54 × 6,433.48
  4. Step 4: Simplify right side
    11,150.02x = 98,976,130.40
  5. Step 5: Solve for x
    x = 98,976,130.40/11,150.02
  6. Step 6: Final answer
    x = 8,876.77

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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.