Home / 8,775.18-12,109.77-4,796.34

Finding the Fourth Proportional to 8,775.18, 12,109.77 and 4,796.34

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Solution

The fourth proportional to 8,775.18, 12,109.77 and 4,796.34 is: 6,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.18 : 12,109.77 = 4,796.34 : x
  2. Step 2: Convert to fraction form
    8,775.18/12,109.77 = 4,796.34/x
  3. Step 3: Cross multiply
    8,775.18x = 12,109.77 × 4,796.34
  4. Step 4: Simplify right side
    8,775.18x = 58,082,574.24
  5. Step 5: Solve for x
    x = 58,082,574.24/8,775.18
  6. Step 6: Final answer
    x = 6,618.96

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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.