Home / 10,518.74-15,801.01-6,360.71

Finding the Fourth Proportional to 10,518.74, 15,801.01 and 6,360.71

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Solution

The fourth proportional to 10,518.74, 15,801.01 and 6,360.71 is: 9,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.74 : 15,801.01 = 6,360.71 : x
  2. Step 2: Convert to fraction form
    10,518.74/15,801.01 = 6,360.71/x
  3. Step 3: Cross multiply
    10,518.74x = 15,801.01 × 6,360.71
  4. Step 4: Simplify right side
    10,518.74x = 100,505,547.41
  5. Step 5: Solve for x
    x = 100,505,547.41/10,518.74
  6. Step 6: Final answer
    x = 9,554.90

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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.