Home / 11,176.02-15,420.42-6,459.48

Finding the Fourth Proportional to 11,176.02, 15,420.42 and 6,459.48

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Solution

The fourth proportional to 11,176.02, 15,420.42 and 6,459.48 is: 8,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.02 : 15,420.42 = 6,459.48 : x
  2. Step 2: Convert to fraction form
    11,176.02/15,420.42 = 6,459.48/x
  3. Step 3: Cross multiply
    11,176.02x = 15,420.42 × 6,459.48
  4. Step 4: Simplify right side
    11,176.02x = 99,607,894.58
  5. Step 5: Solve for x
    x = 99,607,894.58/11,176.02
  6. Step 6: Final answer
    x = 8,912.64

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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.