Home / 10,822.90-14,935.71-6,349.30

Finding the Fourth Proportional to 10,822.90, 14,935.71 and 6,349.30

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Solution

The fourth proportional to 10,822.90, 14,935.71 and 6,349.30 is: 8,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.90 : 14,935.71 = 6,349.30 : x
  2. Step 2: Convert to fraction form
    10,822.90/14,935.71 = 6,349.30/x
  3. Step 3: Cross multiply
    10,822.90x = 14,935.71 × 6,349.30
  4. Step 4: Simplify right side
    10,822.90x = 94,831,303.50
  5. Step 5: Solve for x
    x = 94,831,303.50/10,822.90
  6. Step 6: Final answer
    x = 8,762.10

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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.