Home / 10,341.26-15,510.42-3,320.36

Finding the Fourth Proportional to 10,341.26, 15,510.42 and 3,320.36

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Solution

The fourth proportional to 10,341.26, 15,510.42 and 3,320.36 is: 4,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.26 : 15,510.42 = 3,320.36 : x
  2. Step 2: Convert to fraction form
    10,341.26/15,510.42 = 3,320.36/x
  3. Step 3: Cross multiply
    10,341.26x = 15,510.42 × 3,320.36
  4. Step 4: Simplify right side
    10,341.26x = 51,500,178.15
  5. Step 5: Solve for x
    x = 51,500,178.15/10,341.26
  6. Step 6: Final answer
    x = 4,980.07

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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.