Home / 11,285.64-15,572.16-6,504.48

Finding the Fourth Proportional to 11,285.64, 15,572.16 and 6,504.48

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Solution

The fourth proportional to 11,285.64, 15,572.16 and 6,504.48 is: 8,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.64 : 15,572.16 = 6,504.48 : x
  2. Step 2: Convert to fraction form
    11,285.64/15,572.16 = 6,504.48/x
  3. Step 3: Cross multiply
    11,285.64x = 15,572.16 × 6,504.48
  4. Step 4: Simplify right side
    11,285.64x = 101,288,803.28
  5. Step 5: Solve for x
    x = 101,288,803.28/11,285.64
  6. Step 6: Final answer
    x = 8,975.02

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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.