Home / 8,728.83-12,047.03-4,952.93

Finding the Fourth Proportional to 8,728.83, 12,047.03 and 4,952.93

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Solution

The fourth proportional to 8,728.83, 12,047.03 and 4,952.93 is: 6,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.83 : 12,047.03 = 4,952.93 : x
  2. Step 2: Convert to fraction form
    8,728.83/12,047.03 = 4,952.93/x
  3. Step 3: Cross multiply
    8,728.83x = 12,047.03 × 4,952.93
  4. Step 4: Simplify right side
    8,728.83x = 59,668,011.30
  5. Step 5: Solve for x
    x = 59,668,011.30/8,728.83
  6. Step 6: Final answer
    x = 6,835.74

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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.