Home / 10,648.30-14,693.97-6,400.06

Finding the Fourth Proportional to 10,648.30, 14,693.97 and 6,400.06

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Solution

The fourth proportional to 10,648.30, 14,693.97 and 6,400.06 is: 8,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.30 : 14,693.97 = 6,400.06 : x
  2. Step 2: Convert to fraction form
    10,648.30/14,693.97 = 6,400.06/x
  3. Step 3: Cross multiply
    10,648.30x = 14,693.97 × 6,400.06
  4. Step 4: Simplify right side
    10,648.30x = 94,042,289.64
  5. Step 5: Solve for x
    x = 94,042,289.64/10,648.30
  6. Step 6: Final answer
    x = 8,831.67

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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.