Home / 8,725.07-12,040.62-4,746.20

Finding the Fourth Proportional to 8,725.07, 12,040.62 and 4,746.20

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Solution

The fourth proportional to 8,725.07, 12,040.62 and 4,746.20 is: 6,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.07 : 12,040.62 = 4,746.20 : x
  2. Step 2: Convert to fraction form
    8,725.07/12,040.62 = 4,746.20/x
  3. Step 3: Cross multiply
    8,725.07x = 12,040.62 × 4,746.20
  4. Step 4: Simplify right side
    8,725.07x = 57,147,152.69
  5. Step 5: Solve for x
    x = 57,147,152.69/8,725.07
  6. Step 6: Final answer
    x = 6,549.77

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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.