Home / 35,439.72-53,147.10-10,473.12

Finding the Fourth Proportional to 35,439.72, 53,147.10 and 10,473.12

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Solution

The fourth proportional to 35,439.72, 53,147.10 and 10,473.12 is: 15,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.72 : 53,147.10 = 10,473.12 : x
  2. Step 2: Convert to fraction form
    35,439.72/53,147.10 = 10,473.12/x
  3. Step 3: Cross multiply
    35,439.72x = 53,147.10 × 10,473.12
  4. Step 4: Simplify right side
    35,439.72x = 556,615,955.95
  5. Step 5: Solve for x
    x = 556,615,955.95/35,439.72
  6. Step 6: Final answer
    x = 15,705.99

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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.