Home / 10,317.50-15,497.58-8,345.33

Finding the Fourth Proportional to 10,317.50, 15,497.58 and 8,345.33

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Solution

The fourth proportional to 10,317.50, 15,497.58 and 8,345.33 is: 12,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.50 : 15,497.58 = 8,345.33 : x
  2. Step 2: Convert to fraction form
    10,317.50/15,497.58 = 8,345.33/x
  3. Step 3: Cross multiply
    10,317.50x = 15,497.58 × 8,345.33
  4. Step 4: Simplify right side
    10,317.50x = 129,332,300.09
  5. Step 5: Solve for x
    x = 129,332,300.09/10,317.50
  6. Step 6: Final answer
    x = 12,535.24

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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.