Home / 10,688.91-16,036.60-7,574.94

Finding the Fourth Proportional to 10,688.91, 16,036.60 and 7,574.94

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Solution

The fourth proportional to 10,688.91, 16,036.60 and 7,574.94 is: 11,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.91 : 16,036.60 = 7,574.94 : x
  2. Step 2: Convert to fraction form
    10,688.91/16,036.60 = 7,574.94/x
  3. Step 3: Cross multiply
    10,688.91x = 16,036.60 × 7,574.94
  4. Step 4: Simplify right side
    10,688.91x = 121,476,282.80
  5. Step 5: Solve for x
    x = 121,476,282.80/10,688.91
  6. Step 6: Final answer
    x = 11,364.70

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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.