Home / 8,675.28-11,970.80-4,897.98

Finding the Fourth Proportional to 8,675.28, 11,970.80 and 4,897.98

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Solution

The fourth proportional to 8,675.28, 11,970.80 and 4,897.98 is: 6,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.28 : 11,970.80 = 4,897.98 : x
  2. Step 2: Convert to fraction form
    8,675.28/11,970.80 = 4,897.98/x
  3. Step 3: Cross multiply
    8,675.28x = 11,970.80 × 4,897.98
  4. Step 4: Simplify right side
    8,675.28x = 58,632,738.98
  5. Step 5: Solve for x
    x = 58,632,738.98/8,675.28
  6. Step 6: Final answer
    x = 6,758.60

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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.