Home / 11,746.61-16,210.79-6,441.62

Finding the Fourth Proportional to 11,746.61, 16,210.79 and 6,441.62

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Solution

The fourth proportional to 11,746.61, 16,210.79 and 6,441.62 is: 8,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.61 : 16,210.79 = 6,441.62 : x
  2. Step 2: Convert to fraction form
    11,746.61/16,210.79 = 6,441.62/x
  3. Step 3: Cross multiply
    11,746.61x = 16,210.79 × 6,441.62
  4. Step 4: Simplify right side
    11,746.61x = 104,423,635.82
  5. Step 5: Solve for x
    x = 104,423,635.82/11,746.61
  6. Step 6: Final answer
    x = 8,889.69

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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.