Home / 10,740.72-14,821.70-6,492.80

Finding the Fourth Proportional to 10,740.72, 14,821.70 and 6,492.80

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Solution

The fourth proportional to 10,740.72, 14,821.70 and 6,492.80 is: 8,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.72 : 14,821.70 = 6,492.80 : x
  2. Step 2: Convert to fraction form
    10,740.72/14,821.70 = 6,492.80/x
  3. Step 3: Cross multiply
    10,740.72x = 14,821.70 × 6,492.80
  4. Step 4: Simplify right side
    10,740.72x = 96,234,333.76
  5. Step 5: Solve for x
    x = 96,234,333.76/10,740.72
  6. Step 6: Final answer
    x = 8,959.77

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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.