Home / 10,819.60-14,930.58-6,104.32

Finding the Fourth Proportional to 10,819.60, 14,930.58 and 6,104.32

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Solution

The fourth proportional to 10,819.60, 14,930.58 and 6,104.32 is: 8,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.60 : 14,930.58 = 6,104.32 : x
  2. Step 2: Convert to fraction form
    10,819.60/14,930.58 = 6,104.32/x
  3. Step 3: Cross multiply
    10,819.60x = 14,930.58 × 6,104.32
  4. Step 4: Simplify right side
    10,819.60x = 91,141,038.11
  5. Step 5: Solve for x
    x = 91,141,038.11/10,819.60
  6. Step 6: Final answer
    x = 8,423.70

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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.