Home / 8,168.74-11,271.12-4,810.32

Finding the Fourth Proportional to 8,168.74, 11,271.12 and 4,810.32

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Solution

The fourth proportional to 8,168.74, 11,271.12 and 4,810.32 is: 6,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.74 : 11,271.12 = 4,810.32 : x
  2. Step 2: Convert to fraction form
    8,168.74/11,271.12 = 4,810.32/x
  3. Step 3: Cross multiply
    8,168.74x = 11,271.12 × 4,810.32
  4. Step 4: Simplify right side
    8,168.74x = 54,217,693.96
  5. Step 5: Solve for x
    x = 54,217,693.96/8,168.74
  6. Step 6: Final answer
    x = 6,637.22

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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.