Home / 9,094.95-12,551.76-5,115.83

Finding the Fourth Proportional to 9,094.95, 12,551.76 and 5,115.83

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Solution

The fourth proportional to 9,094.95, 12,551.76 and 5,115.83 is: 7,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,094.95 : 12,551.76 = 5,115.83 : x
  2. Step 2: Convert to fraction form
    9,094.95/12,551.76 = 5,115.83/x
  3. Step 3: Cross multiply
    9,094.95x = 12,551.76 × 5,115.83
  4. Step 4: Simplify right side
    9,094.95x = 64,212,607.60
  5. Step 5: Solve for x
    x = 64,212,607.60/9,094.95
  6. Step 6: Final answer
    x = 7,060.25

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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.