Home / 10,652.64-14,700-5,872.32

Finding the Fourth Proportional to 10,652.64, 14,700 and 5,872.32

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Solution

The fourth proportional to 10,652.64, 14,700 and 5,872.32 is: 8,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.64 : 14,700 = 5,872.32 : x
  2. Step 2: Convert to fraction form
    10,652.64/14,700 = 5,872.32/x
  3. Step 3: Cross multiply
    10,652.64x = 14,700 × 5,872.32
  4. Step 4: Simplify right side
    10,652.64x = 86,323,104
  5. Step 5: Solve for x
    x = 86,323,104/10,652.64
  6. Step 6: Final answer
    x = 8,103.45

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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.