Home / 8,785.04-13,172.76-3,586.64

Finding the Fourth Proportional to 8,785.04, 13,172.76 and 3,586.64

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Solution

The fourth proportional to 8,785.04, 13,172.76 and 3,586.64 is: 5,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.04 : 13,172.76 = 3,586.64 : x
  2. Step 2: Convert to fraction form
    8,785.04/13,172.76 = 3,586.64/x
  3. Step 3: Cross multiply
    8,785.04x = 13,172.76 × 3,586.64
  4. Step 4: Simplify right side
    8,785.04x = 47,245,947.93
  5. Step 5: Solve for x
    x = 47,245,947.93/8,785.04
  6. Step 6: Final answer
    x = 5,378.00

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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.