Home / 11,005.02-15,186.72-6,224.88

Finding the Fourth Proportional to 11,005.02, 15,186.72 and 6,224.88

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Solution

The fourth proportional to 11,005.02, 15,186.72 and 6,224.88 is: 8,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.02 : 15,186.72 = 6,224.88 : x
  2. Step 2: Convert to fraction form
    11,005.02/15,186.72 = 6,224.88/x
  3. Step 3: Cross multiply
    11,005.02x = 15,186.72 × 6,224.88
  4. Step 4: Simplify right side
    11,005.02x = 94,535,509.59
  5. Step 5: Solve for x
    x = 94,535,509.59/11,005.02
  6. Step 6: Final answer
    x = 8,590.22

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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.