Home / 10,555.24-15,828.54-4,707.86

Finding the Fourth Proportional to 10,555.24, 15,828.54 and 4,707.86

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Solution

The fourth proportional to 10,555.24, 15,828.54 and 4,707.86 is: 7,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.24 : 15,828.54 = 4,707.86 : x
  2. Step 2: Convert to fraction form
    10,555.24/15,828.54 = 4,707.86/x
  3. Step 3: Cross multiply
    10,555.24x = 15,828.54 × 4,707.86
  4. Step 4: Simplify right side
    10,555.24x = 74,518,550.32
  5. Step 5: Solve for x
    x = 74,518,550.32/10,555.24
  6. Step 6: Final answer
    x = 7,059.86

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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.