Home / 8,023.42-12,038.55-4,130.56

Finding the Fourth Proportional to 8,023.42, 12,038.55 and 4,130.56

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Solution

The fourth proportional to 8,023.42, 12,038.55 and 4,130.56 is: 6,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.42 : 12,038.55 = 4,130.56 : x
  2. Step 2: Convert to fraction form
    8,023.42/12,038.55 = 4,130.56/x
  3. Step 3: Cross multiply
    8,023.42x = 12,038.55 × 4,130.56
  4. Step 4: Simplify right side
    8,023.42x = 49,725,953.09
  5. Step 5: Solve for x
    x = 49,725,953.09/8,023.42
  6. Step 6: Final answer
    x = 6,197.60

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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.