Home / 10,811.61-14,920-6,095.89

Finding the Fourth Proportional to 10,811.61, 14,920 and 6,095.89

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Solution

The fourth proportional to 10,811.61, 14,920 and 6,095.89 is: 8,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.61 : 14,920 = 6,095.89 : x
  2. Step 2: Convert to fraction form
    10,811.61/14,920 = 6,095.89/x
  3. Step 3: Cross multiply
    10,811.61x = 14,920 × 6,095.89
  4. Step 4: Simplify right side
    10,811.61x = 90,950,678.80
  5. Step 5: Solve for x
    x = 90,950,678.80/10,811.61
  6. Step 6: Final answer
    x = 8,412.32

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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.