Home / 10,790.20-14,890.98-6,541.39

Finding the Fourth Proportional to 10,790.20, 14,890.98 and 6,541.39

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Solution

The fourth proportional to 10,790.20, 14,890.98 and 6,541.39 is: 9,027.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.20 : 14,890.98 = 6,541.39 : x
  2. Step 2: Convert to fraction form
    10,790.20/14,890.98 = 6,541.39/x
  3. Step 3: Cross multiply
    10,790.20x = 14,890.98 × 6,541.39
  4. Step 4: Simplify right side
    10,790.20x = 97,407,707.66
  5. Step 5: Solve for x
    x = 97,407,707.66/10,790.20
  6. Step 6: Final answer
    x = 9,027.42

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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.