Home / 7,558.12-10,415.46-6,158.44

Finding the Fourth Proportional to 7,558.12, 10,415.46 and 6,158.44

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Solution

The fourth proportional to 7,558.12, 10,415.46 and 6,158.44 is: 8,486.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.12 : 10,415.46 = 6,158.44 : x
  2. Step 2: Convert to fraction form
    7,558.12/10,415.46 = 6,158.44/x
  3. Step 3: Cross multiply
    7,558.12x = 10,415.46 × 6,158.44
  4. Step 4: Simplify right side
    7,558.12x = 64,142,985.48
  5. Step 5: Solve for x
    x = 64,142,985.48/7,558.12
  6. Step 6: Final answer
    x = 8,486.63

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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.