Home / 11,320.01-15,621.15-6,284.45

Finding the Fourth Proportional to 11,320.01, 15,621.15 and 6,284.45

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Solution

The fourth proportional to 11,320.01, 15,621.15 and 6,284.45 is: 8,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.01 : 15,621.15 = 6,284.45 : x
  2. Step 2: Convert to fraction form
    11,320.01/15,621.15 = 6,284.45/x
  3. Step 3: Cross multiply
    11,320.01x = 15,621.15 × 6,284.45
  4. Step 4: Simplify right side
    11,320.01x = 98,170,336.12
  5. Step 5: Solve for x
    x = 98,170,336.12/11,320.01
  6. Step 6: Final answer
    x = 8,672.28

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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.