Home / 8,723.46-12,038.21-4,744.54

Finding the Fourth Proportional to 8,723.46, 12,038.21 and 4,744.54

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Solution

The fourth proportional to 8,723.46, 12,038.21 and 4,744.54 is: 6,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.46 : 12,038.21 = 4,744.54 : x
  2. Step 2: Convert to fraction form
    8,723.46/12,038.21 = 4,744.54/x
  3. Step 3: Cross multiply
    8,723.46x = 12,038.21 × 4,744.54
  4. Step 4: Simplify right side
    8,723.46x = 57,115,768.87
  5. Step 5: Solve for x
    x = 57,115,768.87/8,723.46
  6. Step 6: Final answer
    x = 6,547.38

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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.