Home / 10,328.10-15,467.50-5,641.08

Finding the Fourth Proportional to 10,328.10, 15,467.50 and 5,641.08

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Solution

The fourth proportional to 10,328.10, 15,467.50 and 5,641.08 is: 8,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.10 : 15,467.50 = 5,641.08 : x
  2. Step 2: Convert to fraction form
    10,328.10/15,467.50 = 5,641.08/x
  3. Step 3: Cross multiply
    10,328.10x = 15,467.50 × 5,641.08
  4. Step 4: Simplify right side
    10,328.10x = 87,253,404.90
  5. Step 5: Solve for x
    x = 87,253,404.90/10,328.10
  6. Step 6: Final answer
    x = 8,448.16

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1.5x scale

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.