Home / 11,276.30-15,556.10-7,298.69

Finding the Fourth Proportional to 11,276.30, 15,556.10 and 7,298.69

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Solution

The fourth proportional to 11,276.30, 15,556.10 and 7,298.69 is: 10,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.30 : 15,556.10 = 7,298.69 : x
  2. Step 2: Convert to fraction form
    11,276.30/15,556.10 = 7,298.69/x
  3. Step 3: Cross multiply
    11,276.30x = 15,556.10 × 7,298.69
  4. Step 4: Simplify right side
    11,276.30x = 113,539,037.24
  5. Step 5: Solve for x
    x = 113,539,037.24/11,276.30
  6. Step 6: Final answer
    x = 10,068.82

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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.