Home / 12,370.07-18,548.17-5,345.70

Finding the Fourth Proportional to 12,370.07, 18,548.17 and 5,345.70

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Solution

The fourth proportional to 12,370.07, 18,548.17 and 5,345.70 is: 8,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.07 : 18,548.17 = 5,345.70 : x
  2. Step 2: Convert to fraction form
    12,370.07/18,548.17 = 5,345.70/x
  3. Step 3: Cross multiply
    12,370.07x = 18,548.17 × 5,345.70
  4. Step 4: Simplify right side
    12,370.07x = 99,152,952.37
  5. Step 5: Solve for x
    x = 99,152,952.37/12,370.07
  6. Step 6: Final answer
    x = 8,015.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.