Home / 11,448.86-15,798.65-6,411.92

Finding the Fourth Proportional to 11,448.86, 15,798.65 and 6,411.92

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Solution

The fourth proportional to 11,448.86, 15,798.65 and 6,411.92 is: 8,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.86 : 15,798.65 = 6,411.92 : x
  2. Step 2: Convert to fraction form
    11,448.86/15,798.65 = 6,411.92/x
  3. Step 3: Cross multiply
    11,448.86x = 15,798.65 × 6,411.92
  4. Step 4: Simplify right side
    11,448.86x = 101,299,616.94
  5. Step 5: Solve for x
    x = 101,299,616.94/11,448.86
  6. Step 6: Final answer
    x = 8,848.01

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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.