Home / 35,412.56-53,119.32-9,116.72

Finding the Fourth Proportional to 35,412.56, 53,119.32 and 9,116.72

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Solution

The fourth proportional to 35,412.56, 53,119.32 and 9,116.72 is: 13,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.56 : 53,119.32 = 9,116.72 : x
  2. Step 2: Convert to fraction form
    35,412.56/53,119.32 = 9,116.72/x
  3. Step 3: Cross multiply
    35,412.56x = 53,119.32 × 9,116.72
  4. Step 4: Simplify right side
    35,412.56x = 484,273,967.03
  5. Step 5: Solve for x
    x = 484,273,967.03/35,412.56
  6. Step 6: Final answer
    x = 13,675.20

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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.