Home / 11,159.02-15,383.01-8,501.82

Finding the Fourth Proportional to 11,159.02, 15,383.01 and 8,501.82

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Solution

The fourth proportional to 11,159.02, 15,383.01 and 8,501.82 is: 11,719.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.02 : 15,383.01 = 8,501.82 : x
  2. Step 2: Convert to fraction form
    11,159.02/15,383.01 = 8,501.82/x
  3. Step 3: Cross multiply
    11,159.02x = 15,383.01 × 8,501.82
  4. Step 4: Simplify right side
    11,159.02x = 130,783,582.08
  5. Step 5: Solve for x
    x = 130,783,582.08/11,159.02
  6. Step 6: Final answer
    x = 11,719.99

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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.