Home / 10,130.36-15,199.10-5,202.32

Finding the Fourth Proportional to 10,130.36, 15,199.10 and 5,202.32

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Solution

The fourth proportional to 10,130.36, 15,199.10 and 5,202.32 is: 7,805.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.36 : 15,199.10 = 5,202.32 : x
  2. Step 2: Convert to fraction form
    10,130.36/15,199.10 = 5,202.32/x
  3. Step 3: Cross multiply
    10,130.36x = 15,199.10 × 5,202.32
  4. Step 4: Simplify right side
    10,130.36x = 79,070,581.91
  5. Step 5: Solve for x
    x = 79,070,581.91/10,130.36
  6. Step 6: Final answer
    x = 7,805.31

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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.