Home / 10,819.52-14,931.12-6,346.49

Finding the Fourth Proportional to 10,819.52, 14,931.12 and 6,346.49

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Solution

The fourth proportional to 10,819.52, 14,931.12 and 6,346.49 is: 8,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.52 : 14,931.12 = 6,346.49 : x
  2. Step 2: Convert to fraction form
    10,819.52/14,931.12 = 6,346.49/x
  3. Step 3: Cross multiply
    10,819.52x = 14,931.12 × 6,346.49
  4. Step 4: Simplify right side
    10,819.52x = 94,760,203.77
  5. Step 5: Solve for x
    x = 94,760,203.77/10,819.52
  6. Step 6: Final answer
    x = 8,758.27

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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.