Home / 10,997.48-15,175.53-6,459.45

Finding the Fourth Proportional to 10,997.48, 15,175.53 and 6,459.45

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Solution

The fourth proportional to 10,997.48, 15,175.53 and 6,459.45 is: 8,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.48 : 15,175.53 = 6,459.45 : x
  2. Step 2: Convert to fraction form
    10,997.48/15,175.53 = 6,459.45/x
  3. Step 3: Cross multiply
    10,997.48x = 15,175.53 × 6,459.45
  4. Step 4: Simplify right side
    10,997.48x = 98,025,577.26
  5. Step 5: Solve for x
    x = 98,025,577.26/10,997.48
  6. Step 6: Final answer
    x = 8,913.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.