Home / 10,831.50-14,946.30-6,114.96

Finding the Fourth Proportional to 10,831.50, 14,946.30 and 6,114.96

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Solution

The fourth proportional to 10,831.50, 14,946.30 and 6,114.96 is: 8,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.50 : 14,946.30 = 6,114.96 : x
  2. Step 2: Convert to fraction form
    10,831.50/14,946.30 = 6,114.96/x
  3. Step 3: Cross multiply
    10,831.50x = 14,946.30 × 6,114.96
  4. Step 4: Simplify right side
    10,831.50x = 91,396,026.65
  5. Step 5: Solve for x
    x = 91,396,026.65/10,831.50
  6. Step 6: Final answer
    x = 8,437.98

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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.