Home / 12,312.75-18,456.36-5,733.52

Finding the Fourth Proportional to 12,312.75, 18,456.36 and 5,733.52

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Solution

The fourth proportional to 12,312.75, 18,456.36 and 5,733.52 is: 8,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312.75 : 18,456.36 = 5,733.52 : x
  2. Step 2: Convert to fraction form
    12,312.75/18,456.36 = 5,733.52/x
  3. Step 3: Cross multiply
    12,312.75x = 18,456.36 × 5,733.52
  4. Step 4: Simplify right side
    12,312.75x = 105,819,909.19
  5. Step 5: Solve for x
    x = 105,819,909.19/12,312.75
  6. Step 6: Final answer
    x = 8,594.34

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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.