Home / 9,135.68-13,703.46-2,210.18

Finding the Fourth Proportional to 9,135.68, 13,703.46 and 2,210.18

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Solution

The fourth proportional to 9,135.68, 13,703.46 and 2,210.18 is: 3,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.68 : 13,703.46 = 2,210.18 : x
  2. Step 2: Convert to fraction form
    9,135.68/13,703.46 = 2,210.18/x
  3. Step 3: Cross multiply
    9,135.68x = 13,703.46 × 2,210.18
  4. Step 4: Simplify right side
    9,135.68x = 30,287,113.22
  5. Step 5: Solve for x
    x = 30,287,113.22/9,135.68
  6. Step 6: Final answer
    x = 3,315.26

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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.