Home / 10,786.60-14,886.42-6,312.76

Finding the Fourth Proportional to 10,786.60, 14,886.42 and 6,312.76

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Solution

The fourth proportional to 10,786.60, 14,886.42 and 6,312.76 is: 8,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.60 : 14,886.42 = 6,312.76 : x
  2. Step 2: Convert to fraction form
    10,786.60/14,886.42 = 6,312.76/x
  3. Step 3: Cross multiply
    10,786.60x = 14,886.42 × 6,312.76
  4. Step 4: Simplify right side
    10,786.60x = 93,974,396.72
  5. Step 5: Solve for x
    x = 93,974,396.72/10,786.60
  6. Step 6: Final answer
    x = 8,712.14

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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.