Home / 12,077.47-16,668.90-6,773.59

Finding the Fourth Proportional to 12,077.47, 16,668.90 and 6,773.59

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Solution

The fourth proportional to 12,077.47, 16,668.90 and 6,773.59 is: 9,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.47 : 16,668.90 = 6,773.59 : x
  2. Step 2: Convert to fraction form
    12,077.47/16,668.90 = 6,773.59/x
  3. Step 3: Cross multiply
    12,077.47x = 16,668.90 × 6,773.59
  4. Step 4: Simplify right side
    12,077.47x = 112,908,294.35
  5. Step 5: Solve for x
    x = 112,908,294.35/12,077.47
  6. Step 6: Final answer
    x = 9,348.67

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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.