Home / 10,554.28-15,836.84-4,714.72

Finding the Fourth Proportional to 10,554.28, 15,836.84 and 4,714.72

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Solution

The fourth proportional to 10,554.28, 15,836.84 and 4,714.72 is: 7,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.28 : 15,836.84 = 4,714.72 : x
  2. Step 2: Convert to fraction form
    10,554.28/15,836.84 = 4,714.72/x
  3. Step 3: Cross multiply
    10,554.28x = 15,836.84 × 4,714.72
  4. Step 4: Simplify right side
    10,554.28x = 74,666,266.28
  5. Step 5: Solve for x
    x = 74,666,266.28/10,554.28
  6. Step 6: Final answer
    x = 7,074.50

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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.