Home / 31,297.50-46,946.31-7,605.07

Finding the Fourth Proportional to 31,297.50, 46,946.31 and 7,605.07

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Solution

The fourth proportional to 31,297.50, 46,946.31 and 7,605.07 is: 11,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.50 : 46,946.31 = 7,605.07 : x
  2. Step 2: Convert to fraction form
    31,297.50/46,946.31 = 7,605.07/x
  3. Step 3: Cross multiply
    31,297.50x = 46,946.31 × 7,605.07
  4. Step 4: Simplify right side
    31,297.50x = 357,029,856.43
  5. Step 5: Solve for x
    x = 357,029,856.43/31,297.50
  6. Step 6: Final answer
    x = 11,407.62

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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.