Home / 10,553.96-15,821.54-5,003.84

Finding the Fourth Proportional to 10,553.96, 15,821.54 and 5,003.84

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Solution

The fourth proportional to 10,553.96, 15,821.54 and 5,003.84 is: 7,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.96 : 15,821.54 = 5,003.84 : x
  2. Step 2: Convert to fraction form
    10,553.96/15,821.54 = 5,003.84/x
  3. Step 3: Cross multiply
    10,553.96x = 15,821.54 × 5,003.84
  4. Step 4: Simplify right side
    10,553.96x = 79,168,454.71
  5. Step 5: Solve for x
    x = 79,168,454.71/10,553.96
  6. Step 6: Final answer
    x = 7,501.30

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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.