Home / 10,864.86-14,992.77-6,148.86

Finding the Fourth Proportional to 10,864.86, 14,992.77 and 6,148.86

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Solution

The fourth proportional to 10,864.86, 14,992.77 and 6,148.86 is: 8,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.86 : 14,992.77 = 6,148.86 : x
  2. Step 2: Convert to fraction form
    10,864.86/14,992.77 = 6,148.86/x
  3. Step 3: Cross multiply
    10,864.86x = 14,992.77 × 6,148.86
  4. Step 4: Simplify right side
    10,864.86x = 92,188,443.74
  5. Step 5: Solve for x
    x = 92,188,443.74/10,864.86
  6. Step 6: Final answer
    x = 8,485.01

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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.