Home / 11,113.90-15,334.88-6,332.82

Finding the Fourth Proportional to 11,113.90, 15,334.88 and 6,332.82

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Solution

The fourth proportional to 11,113.90, 15,334.88 and 6,332.82 is: 8,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.90 : 15,334.88 = 6,332.82 : x
  2. Step 2: Convert to fraction form
    11,113.90/15,334.88 = 6,332.82/x
  3. Step 3: Cross multiply
    11,113.90x = 15,334.88 × 6,332.82
  4. Step 4: Simplify right side
    11,113.90x = 97,113,034.76
  5. Step 5: Solve for x
    x = 97,113,034.76/11,113.90
  6. Step 6: Final answer
    x = 8,737.98

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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.