Home / 10,557.24-15,831.54-4,709.86

Finding the Fourth Proportional to 10,557.24, 15,831.54 and 4,709.86

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Solution

The fourth proportional to 10,557.24, 15,831.54 and 4,709.86 is: 7,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.24 : 15,831.54 = 4,709.86 : x
  2. Step 2: Convert to fraction form
    10,557.24/15,831.54 = 4,709.86/x
  3. Step 3: Cross multiply
    10,557.24x = 15,831.54 × 4,709.86
  4. Step 4: Simplify right side
    10,557.24x = 74,564,336.98
  5. Step 5: Solve for x
    x = 74,564,336.98/10,557.24
  6. Step 6: Final answer
    x = 7,062.86

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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.