Home / 8,065.37-11,130.01-4,880.45

Finding the Fourth Proportional to 8,065.37, 11,130.01 and 4,880.45

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Solution

The fourth proportional to 8,065.37, 11,130.01 and 4,880.45 is: 6,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065.37 : 11,130.01 = 4,880.45 : x
  2. Step 2: Convert to fraction form
    8,065.37/11,130.01 = 4,880.45/x
  3. Step 3: Cross multiply
    8,065.37x = 11,130.01 × 4,880.45
  4. Step 4: Simplify right side
    8,065.37x = 54,319,472.93
  5. Step 5: Solve for x
    x = 54,319,472.93/8,065.37
  6. Step 6: Final answer
    x = 6,734.90

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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.