Home / 12,550.50-17,319.60-6,885.24

Finding the Fourth Proportional to 12,550.50, 17,319.60 and 6,885.24

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Solution

The fourth proportional to 12,550.50, 17,319.60 and 6,885.24 is: 9,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.50 : 17,319.60 = 6,885.24 : x
  2. Step 2: Convert to fraction form
    12,550.50/17,319.60 = 6,885.24/x
  3. Step 3: Cross multiply
    12,550.50x = 17,319.60 × 6,885.24
  4. Step 4: Simplify right side
    12,550.50x = 119,249,602.70
  5. Step 5: Solve for x
    x = 119,249,602.70/12,550.50
  6. Step 6: Final answer
    x = 9,501.58

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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.