Home / 8,537.21-11,783.23-5,547.85

Finding the Fourth Proportional to 8,537.21, 11,783.23 and 5,547.85

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Solution

The fourth proportional to 8,537.21, 11,783.23 and 5,547.85 is: 7,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.21 : 11,783.23 = 5,547.85 : x
  2. Step 2: Convert to fraction form
    8,537.21/11,783.23 = 5,547.85/x
  3. Step 3: Cross multiply
    8,537.21x = 11,783.23 × 5,547.85
  4. Step 4: Simplify right side
    8,537.21x = 65,371,592.56
  5. Step 5: Solve for x
    x = 65,371,592.56/8,537.21
  6. Step 6: Final answer
    x = 7,657.25

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1.5x scale

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.