Home / 11,330.58-15,630.75-7,352.94

Finding the Fourth Proportional to 11,330.58, 15,630.75 and 7,352.94

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Solution

The fourth proportional to 11,330.58, 15,630.75 and 7,352.94 is: 10,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.58 : 15,630.75 = 7,352.94 : x
  2. Step 2: Convert to fraction form
    11,330.58/15,630.75 = 7,352.94/x
  3. Step 3: Cross multiply
    11,330.58x = 15,630.75 × 7,352.94
  4. Step 4: Simplify right side
    11,330.58x = 114,931,966.91
  5. Step 5: Solve for x
    x = 114,931,966.91/11,330.58
  6. Step 6: Final answer
    x = 10,143.52

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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.