Home / 7,855.04-10,840.18-4,318.48

Finding the Fourth Proportional to 7,855.04, 10,840.18 and 4,318.48

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Solution

The fourth proportional to 7,855.04, 10,840.18 and 4,318.48 is: 5,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.04 : 10,840.18 = 4,318.48 : x
  2. Step 2: Convert to fraction form
    7,855.04/10,840.18 = 4,318.48/x
  3. Step 3: Cross multiply
    7,855.04x = 10,840.18 × 4,318.48
  4. Step 4: Simplify right side
    7,855.04x = 46,813,100.53
  5. Step 5: Solve for x
    x = 46,813,100.53/7,855.04
  6. Step 6: Final answer
    x = 5,959.63

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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.