Home / 7,180.48-10,772.64-6,495.04

Finding the Fourth Proportional to 7,180.48, 10,772.64 and 6,495.04

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Solution

The fourth proportional to 7,180.48, 10,772.64 and 6,495.04 is: 9,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.48 : 10,772.64 = 6,495.04 : x
  2. Step 2: Convert to fraction form
    7,180.48/10,772.64 = 6,495.04/x
  3. Step 3: Cross multiply
    7,180.48x = 10,772.64 × 6,495.04
  4. Step 4: Simplify right side
    7,180.48x = 69,968,727.71
  5. Step 5: Solve for x
    x = 69,968,727.71/7,180.48
  6. Step 6: Final answer
    x = 9,744.30

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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.