Home / 10,265.35-15,398.45-5,004.70

Finding the Fourth Proportional to 10,265.35, 15,398.45 and 5,004.70

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Solution

The fourth proportional to 10,265.35, 15,398.45 and 5,004.70 is: 7,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.35 : 15,398.45 = 5,004.70 : x
  2. Step 2: Convert to fraction form
    10,265.35/15,398.45 = 5,004.70/x
  3. Step 3: Cross multiply
    10,265.35x = 15,398.45 × 5,004.70
  4. Step 4: Simplify right side
    10,265.35x = 77,064,622.72
  5. Step 5: Solve for x
    x = 77,064,622.72/10,265.35
  6. Step 6: Final answer
    x = 7,507.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.