Home / 10,003.63-15,001.00-5,322.65

Finding the Fourth Proportional to 10,003.63, 15,001.00 and 5,322.65

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Solution

The fourth proportional to 10,003.63, 15,001.00 and 5,322.65 is: 7,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.63 : 15,001.00 = 5,322.65 : x
  2. Step 2: Convert to fraction form
    10,003.63/15,001.00 = 5,322.65/x
  3. Step 3: Cross multiply
    10,003.63x = 15,001.00 × 5,322.65
  4. Step 4: Simplify right side
    10,003.63x = 79,845,111.93
  5. Step 5: Solve for x
    x = 79,845,111.93/10,003.63
  6. Step 6: Final answer
    x = 7,981.61

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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.