Home / 10,116.58-15,166.74-6,788.30

Finding the Fourth Proportional to 10,116.58, 15,166.74 and 6,788.30

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Solution

The fourth proportional to 10,116.58, 15,166.74 and 6,788.30 is: 10,176.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116.58 : 15,166.74 = 6,788.30 : x
  2. Step 2: Convert to fraction form
    10,116.58/15,166.74 = 6,788.30/x
  3. Step 3: Cross multiply
    10,116.58x = 15,166.74 × 6,788.30
  4. Step 4: Simplify right side
    10,116.58x = 102,956,381.14
  5. Step 5: Solve for x
    x = 102,956,381.14/10,116.58
  6. Step 6: Final answer
    x = 10,176.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.