Home / 10,006.14-13,808.58-5,529.78

Finding the Fourth Proportional to 10,006.14, 13,808.58 and 5,529.78

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Solution

The fourth proportional to 10,006.14, 13,808.58 and 5,529.78 is: 7,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.14 : 13,808.58 = 5,529.78 : x
  2. Step 2: Convert to fraction form
    10,006.14/13,808.58 = 5,529.78/x
  3. Step 3: Cross multiply
    10,006.14x = 13,808.58 × 5,529.78
  4. Step 4: Simplify right side
    10,006.14x = 76,358,409.51
  5. Step 5: Solve for x
    x = 76,358,409.51/10,006.14
  6. Step 6: Final answer
    x = 7,631.16

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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.