Home / 11,365.02-15,684.18-6,329.45

Finding the Fourth Proportional to 11,365.02, 15,684.18 and 6,329.45

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Solution

The fourth proportional to 11,365.02, 15,684.18 and 6,329.45 is: 8,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.02 : 15,684.18 = 6,329.45 : x
  2. Step 2: Convert to fraction form
    11,365.02/15,684.18 = 6,329.45/x
  3. Step 3: Cross multiply
    11,365.02x = 15,684.18 × 6,329.45
  4. Step 4: Simplify right side
    11,365.02x = 99,272,233.10
  5. Step 5: Solve for x
    x = 99,272,233.10/11,365.02
  6. Step 6: Final answer
    x = 8,734.89

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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.