Home / 10,424.82-14,386.26-5,709.11

Finding the Fourth Proportional to 10,424.82, 14,386.26 and 5,709.11

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Solution

The fourth proportional to 10,424.82, 14,386.26 and 5,709.11 is: 7,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.82 : 14,386.26 = 5,709.11 : x
  2. Step 2: Convert to fraction form
    10,424.82/14,386.26 = 5,709.11/x
  3. Step 3: Cross multiply
    10,424.82x = 14,386.26 × 5,709.11
  4. Step 4: Simplify right side
    10,424.82x = 82,132,668.90
  5. Step 5: Solve for x
    x = 82,132,668.90/10,424.82
  6. Step 6: Final answer
    x = 7,878.57

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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.