Home / 10,695.20-16,045.76-4,458.15

Finding the Fourth Proportional to 10,695.20, 16,045.76 and 4,458.15

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Solution

The fourth proportional to 10,695.20, 16,045.76 and 4,458.15 is: 6,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.20 : 16,045.76 = 4,458.15 : x
  2. Step 2: Convert to fraction form
    10,695.20/16,045.76 = 4,458.15/x
  3. Step 3: Cross multiply
    10,695.20x = 16,045.76 × 4,458.15
  4. Step 4: Simplify right side
    10,695.20x = 71,534,416.09
  5. Step 5: Solve for x
    x = 71,534,416.09/10,695.20
  6. Step 6: Final answer
    x = 6,688.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.