Home / 10,358.09-14,294.21-5,642.33

Finding the Fourth Proportional to 10,358.09, 14,294.21 and 5,642.33

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Solution

The fourth proportional to 10,358.09, 14,294.21 and 5,642.33 is: 7,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.09 : 14,294.21 = 5,642.33 : x
  2. Step 2: Convert to fraction form
    10,358.09/14,294.21 = 5,642.33/x
  3. Step 3: Cross multiply
    10,358.09x = 14,294.21 × 5,642.33
  4. Step 4: Simplify right side
    10,358.09x = 80,652,621.70
  5. Step 5: Solve for x
    x = 80,652,621.70/10,358.09
  6. Step 6: Final answer
    x = 7,786.44

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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.