Home / 8,807.01-12,157.55-6,164.79

Finding the Fourth Proportional to 8,807.01, 12,157.55 and 6,164.79

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Solution

The fourth proportional to 8,807.01, 12,157.55 and 6,164.79 is: 8,510.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.01 : 12,157.55 = 6,164.79 : x
  2. Step 2: Convert to fraction form
    8,807.01/12,157.55 = 6,164.79/x
  3. Step 3: Cross multiply
    8,807.01x = 12,157.55 × 6,164.79
  4. Step 4: Simplify right side
    8,807.01x = 74,948,742.66
  5. Step 5: Solve for x
    x = 74,948,742.66/8,807.01
  6. Step 6: Final answer
    x = 8,510.12

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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.