Home / 10,020.40-13,828.08-5,544.16

Finding the Fourth Proportional to 10,020.40, 13,828.08 and 5,544.16

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Solution

The fourth proportional to 10,020.40, 13,828.08 and 5,544.16 is: 7,650.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.40 : 13,828.08 = 5,544.16 : x
  2. Step 2: Convert to fraction form
    10,020.40/13,828.08 = 5,544.16/x
  3. Step 3: Cross multiply
    10,020.40x = 13,828.08 × 5,544.16
  4. Step 4: Simplify right side
    10,020.40x = 76,665,088.01
  5. Step 5: Solve for x
    x = 76,665,088.01/10,020.40
  6. Step 6: Final answer
    x = 7,650.90

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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.