Home / 7,855.11-10,840.77-4,499.01

Finding the Fourth Proportional to 7,855.11, 10,840.77 and 4,499.01

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Solution

The fourth proportional to 7,855.11, 10,840.77 and 4,499.01 is: 6,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.11 : 10,840.77 = 4,499.01 : x
  2. Step 2: Convert to fraction form
    7,855.11/10,840.77 = 4,499.01/x
  3. Step 3: Cross multiply
    7,855.11x = 10,840.77 × 4,499.01
  4. Step 4: Simplify right side
    7,855.11x = 48,772,732.64
  5. Step 5: Solve for x
    x = 48,772,732.64/7,855.11
  6. Step 6: Final answer
    x = 6,209.05

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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.