Home / 10,359.09-15,538.64-8,932.07

Finding the Fourth Proportional to 10,359.09, 15,538.64 and 8,932.07

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Solution

The fourth proportional to 10,359.09, 15,538.64 and 8,932.07 is: 13,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.09 : 15,538.64 = 8,932.07 : x
  2. Step 2: Convert to fraction form
    10,359.09/15,538.64 = 8,932.07/x
  3. Step 3: Cross multiply
    10,359.09x = 15,538.64 × 8,932.07
  4. Step 4: Simplify right side
    10,359.09x = 138,792,214.37
  5. Step 5: Solve for x
    x = 138,792,214.37/10,359.09
  6. Step 6: Final answer
    x = 13,398.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.