Home / 10,323.52-15,465.12-8,247.84

Finding the Fourth Proportional to 10,323.52, 15,465.12 and 8,247.84

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Solution

The fourth proportional to 10,323.52, 15,465.12 and 8,247.84 is: 12,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.52 : 15,465.12 = 8,247.84 : x
  2. Step 2: Convert to fraction form
    10,323.52/15,465.12 = 8,247.84/x
  3. Step 3: Cross multiply
    10,323.52x = 15,465.12 × 8,247.84
  4. Step 4: Simplify right side
    10,323.52x = 127,553,835.34
  5. Step 5: Solve for x
    x = 127,553,835.34/10,323.52
  6. Step 6: Final answer
    x = 12,355.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.