Home / 8,586.16-11,848.74-4,809.28

Finding the Fourth Proportional to 8,586.16, 11,848.74 and 4,809.28

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Solution

The fourth proportional to 8,586.16, 11,848.74 and 4,809.28 is: 6,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.16 : 11,848.74 = 4,809.28 : x
  2. Step 2: Convert to fraction form
    8,586.16/11,848.74 = 4,809.28/x
  3. Step 3: Cross multiply
    8,586.16x = 11,848.74 × 4,809.28
  4. Step 4: Simplify right side
    8,586.16x = 56,983,908.31
  5. Step 5: Solve for x
    x = 56,983,908.31/8,586.16
  6. Step 6: Final answer
    x = 6,636.72

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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.