Home / 8,328.60-12,486.73-5,040.93

Finding the Fourth Proportional to 8,328.60, 12,486.73 and 5,040.93

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Solution

The fourth proportional to 8,328.60, 12,486.73 and 5,040.93 is: 7,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.60 : 12,486.73 = 5,040.93 : x
  2. Step 2: Convert to fraction form
    8,328.60/12,486.73 = 5,040.93/x
  3. Step 3: Cross multiply
    8,328.60x = 12,486.73 × 5,040.93
  4. Step 4: Simplify right side
    8,328.60x = 62,944,656.82
  5. Step 5: Solve for x
    x = 62,944,656.82/8,328.60
  6. Step 6: Final answer
    x = 7,557.65

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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.