Home / 9,328.03-12,872.69-5,136.25

Finding the Fourth Proportional to 9,328.03, 12,872.69 and 5,136.25

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Solution

The fourth proportional to 9,328.03, 12,872.69 and 5,136.25 is: 7,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.03 : 12,872.69 = 5,136.25 : x
  2. Step 2: Convert to fraction form
    9,328.03/12,872.69 = 5,136.25/x
  3. Step 3: Cross multiply
    9,328.03x = 12,872.69 × 5,136.25
  4. Step 4: Simplify right side
    9,328.03x = 66,117,354.01
  5. Step 5: Solve for x
    x = 66,117,354.01/9,328.03
  6. Step 6: Final answer
    x = 7,088.03

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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.