Home / 10,359.66-15,539.49-3,434.16

Finding the Fourth Proportional to 10,359.66, 15,539.49 and 3,434.16

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Solution

The fourth proportional to 10,359.66, 15,539.49 and 3,434.16 is: 5,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.66 : 15,539.49 = 3,434.16 : x
  2. Step 2: Convert to fraction form
    10,359.66/15,539.49 = 3,434.16/x
  3. Step 3: Cross multiply
    10,359.66x = 15,539.49 × 3,434.16
  4. Step 4: Simplify right side
    10,359.66x = 53,365,094.98
  5. Step 5: Solve for x
    x = 53,365,094.98/10,359.66
  6. Step 6: Final answer
    x = 5,151.24

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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.