Home / 10,718.80-16,080.75-4,475.35

Finding the Fourth Proportional to 10,718.80, 16,080.75 and 4,475.35

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Solution

The fourth proportional to 10,718.80, 16,080.75 and 4,475.35 is: 6,714.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.80 : 16,080.75 = 4,475.35 : x
  2. Step 2: Convert to fraction form
    10,718.80/16,080.75 = 4,475.35/x
  3. Step 3: Cross multiply
    10,718.80x = 16,080.75 × 4,475.35
  4. Step 4: Simplify right side
    10,718.80x = 71,966,984.51
  5. Step 5: Solve for x
    x = 71,966,984.51/10,718.80
  6. Step 6: Final answer
    x = 6,714.09

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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.