Home / 7,457.31-11,230.36-6,495.03

Finding the Fourth Proportional to 7,457.31, 11,230.36 and 6,495.03

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Solution

The fourth proportional to 7,457.31, 11,230.36 and 6,495.03 is: 9,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.31 : 11,230.36 = 6,495.03 : x
  2. Step 2: Convert to fraction form
    7,457.31/11,230.36 = 6,495.03/x
  3. Step 3: Cross multiply
    7,457.31x = 11,230.36 × 6,495.03
  4. Step 4: Simplify right side
    7,457.31x = 72,941,508.87
  5. Step 5: Solve for x
    x = 72,941,508.87/7,457.31
  6. Step 6: Final answer
    x = 9,781.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.