Home / 10,006.74-13,809.16-5,530.57

Finding the Fourth Proportional to 10,006.74, 13,809.16 and 5,530.57

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Solution

The fourth proportional to 10,006.74, 13,809.16 and 5,530.57 is: 7,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.74 : 13,809.16 = 5,530.57 : x
  2. Step 2: Convert to fraction form
    10,006.74/13,809.16 = 5,530.57/x
  3. Step 3: Cross multiply
    10,006.74x = 13,809.16 × 5,530.57
  4. Step 4: Simplify right side
    10,006.74x = 76,372,526.02
  5. Step 5: Solve for x
    x = 76,372,526.02/10,006.74
  6. Step 6: Final answer
    x = 7,632.11

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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.