Home / 10,708.61-14,782.52-8,056.67

Finding the Fourth Proportional to 10,708.61, 14,782.52 and 8,056.67

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Solution

The fourth proportional to 10,708.61, 14,782.52 and 8,056.67 is: 11,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.61 : 14,782.52 = 8,056.67 : x
  2. Step 2: Convert to fraction form
    10,708.61/14,782.52 = 8,056.67/x
  3. Step 3: Cross multiply
    10,708.61x = 14,782.52 × 8,056.67
  4. Step 4: Simplify right side
    10,708.61x = 119,097,845.13
  5. Step 5: Solve for x
    x = 119,097,845.13/10,708.61
  6. Step 6: Final answer
    x = 11,121.69

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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.