Home / 9,025.86-12,455.95-4,992.81

Finding the Fourth Proportional to 9,025.86, 12,455.95 and 4,992.81

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Solution

The fourth proportional to 9,025.86, 12,455.95 and 4,992.81 is: 6,890.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,025.86 : 12,455.95 = 4,992.81 : x
  2. Step 2: Convert to fraction form
    9,025.86/12,455.95 = 4,992.81/x
  3. Step 3: Cross multiply
    9,025.86x = 12,455.95 × 4,992.81
  4. Step 4: Simplify right side
    9,025.86x = 62,190,191.72
  5. Step 5: Solve for x
    x = 62,190,191.72/9,025.86
  6. Step 6: Final answer
    x = 6,890.22

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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.