Home / 8,901.04-12,269.80-6,659.52

Finding the Fourth Proportional to 8,901.04, 12,269.80 and 6,659.52

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Solution

The fourth proportional to 8,901.04, 12,269.80 and 6,659.52 is: 9,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.04 : 12,269.80 = 6,659.52 : x
  2. Step 2: Convert to fraction form
    8,901.04/12,269.80 = 6,659.52/x
  3. Step 3: Cross multiply
    8,901.04x = 12,269.80 × 6,659.52
  4. Step 4: Simplify right side
    8,901.04x = 81,710,978.50
  5. Step 5: Solve for x
    x = 81,710,978.50/8,901.04
  6. Step 6: Final answer
    x = 9,179.94

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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.