Home / 9,177.04-12,664.34-4,985.32

Finding the Fourth Proportional to 9,177.04, 12,664.34 and 4,985.32

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Solution

The fourth proportional to 9,177.04, 12,664.34 and 4,985.32 is: 6,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.04 : 12,664.34 = 4,985.32 : x
  2. Step 2: Convert to fraction form
    9,177.04/12,664.34 = 4,985.32/x
  3. Step 3: Cross multiply
    9,177.04x = 12,664.34 × 4,985.32
  4. Step 4: Simplify right side
    9,177.04x = 63,135,787.49
  5. Step 5: Solve for x
    x = 63,135,787.49/9,177.04
  6. Step 6: Final answer
    x = 6,879.76

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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.