Home / 10,819.77-14,927.76-6,790.14

Finding the Fourth Proportional to 10,819.77, 14,927.76 and 6,790.14

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Solution

The fourth proportional to 10,819.77, 14,927.76 and 6,790.14 is: 9,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.77 : 14,927.76 = 6,790.14 : x
  2. Step 2: Convert to fraction form
    10,819.77/14,927.76 = 6,790.14/x
  3. Step 3: Cross multiply
    10,819.77x = 14,927.76 × 6,790.14
  4. Step 4: Simplify right side
    10,819.77x = 101,361,580.29
  5. Step 5: Solve for x
    x = 101,361,580.29/10,819.77
  6. Step 6: Final answer
    x = 9,368.18

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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.