Home / 10,140.66-15,210.63-2,746.26

Finding the Fourth Proportional to 10,140.66, 15,210.63 and 2,746.26

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Solution

The fourth proportional to 10,140.66, 15,210.63 and 2,746.26 is: 4,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.66 : 15,210.63 = 2,746.26 : x
  2. Step 2: Convert to fraction form
    10,140.66/15,210.63 = 2,746.26/x
  3. Step 3: Cross multiply
    10,140.66x = 15,210.63 × 2,746.26
  4. Step 4: Simplify right side
    10,140.66x = 41,772,344.74
  5. Step 5: Solve for x
    x = 41,772,344.74/10,140.66
  6. Step 6: Final answer
    x = 4,119.29

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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.