Home / 10,109.14-13,953.10-6,528.09

Finding the Fourth Proportional to 10,109.14, 13,953.10 and 6,528.09

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Solution

The fourth proportional to 10,109.14, 13,953.10 and 6,528.09 is: 9,010.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.14 : 13,953.10 = 6,528.09 : x
  2. Step 2: Convert to fraction form
    10,109.14/13,953.10 = 6,528.09/x
  3. Step 3: Cross multiply
    10,109.14x = 13,953.10 × 6,528.09
  4. Step 4: Simplify right side
    10,109.14x = 91,087,131.64
  5. Step 5: Solve for x
    x = 91,087,131.64/10,109.14
  6. Step 6: Final answer
    x = 9,010.37

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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.