Home / 9,333.52-12,880.40-5,141.76

Finding the Fourth Proportional to 9,333.52, 12,880.40 and 5,141.76

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Solution

The fourth proportional to 9,333.52, 12,880.40 and 5,141.76 is: 7,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.52 : 12,880.40 = 5,141.76 : x
  2. Step 2: Convert to fraction form
    9,333.52/12,880.40 = 5,141.76/x
  3. Step 3: Cross multiply
    9,333.52x = 12,880.40 × 5,141.76
  4. Step 4: Simplify right side
    9,333.52x = 66,227,925.50
  5. Step 5: Solve for x
    x = 66,227,925.50/9,333.52
  6. Step 6: Final answer
    x = 7,095.71

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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.