Home / 8,970.93-13,458.45-3,424.16

Finding the Fourth Proportional to 8,970.93, 13,458.45 and 3,424.16

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Solution

The fourth proportional to 8,970.93, 13,458.45 and 3,424.16 is: 5,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.93 : 13,458.45 = 3,424.16 : x
  2. Step 2: Convert to fraction form
    8,970.93/13,458.45 = 3,424.16/x
  3. Step 3: Cross multiply
    8,970.93x = 13,458.45 × 3,424.16
  4. Step 4: Simplify right side
    8,970.93x = 46,083,818.86
  5. Step 5: Solve for x
    x = 46,083,818.86/8,970.93
  6. Step 6: Final answer
    x = 5,137.02

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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.