Home / 10,585.32-15,880.14-3,660.36

Finding the Fourth Proportional to 10,585.32, 15,880.14 and 3,660.36

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Solution

The fourth proportional to 10,585.32, 15,880.14 and 3,660.36 is: 5,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.32 : 15,880.14 = 3,660.36 : x
  2. Step 2: Convert to fraction form
    10,585.32/15,880.14 = 3,660.36/x
  3. Step 3: Cross multiply
    10,585.32x = 15,880.14 × 3,660.36
  4. Step 4: Simplify right side
    10,585.32x = 58,127,029.25
  5. Step 5: Solve for x
    x = 58,127,029.25/10,585.32
  6. Step 6: Final answer
    x = 5,491.29

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1.5x scale

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.