Home / 10,749.29-14,831.45-6,270.50

Finding the Fourth Proportional to 10,749.29, 14,831.45 and 6,270.50

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Solution

The fourth proportional to 10,749.29, 14,831.45 and 6,270.50 is: 8,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.29 : 14,831.45 = 6,270.50 : x
  2. Step 2: Convert to fraction form
    10,749.29/14,831.45 = 6,270.50/x
  3. Step 3: Cross multiply
    10,749.29x = 14,831.45 × 6,270.50
  4. Step 4: Simplify right side
    10,749.29x = 93,000,501.72
  5. Step 5: Solve for x
    x = 93,000,501.72/10,749.29
  6. Step 6: Final answer
    x = 8,651.78

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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.