Home / 9,884.54-13,636.68-5,903.40

Finding the Fourth Proportional to 9,884.54, 13,636.68 and 5,903.40

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Solution

The fourth proportional to 9,884.54, 13,636.68 and 5,903.40 is: 8,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.54 : 13,636.68 = 5,903.40 : x
  2. Step 2: Convert to fraction form
    9,884.54/13,636.68 = 5,903.40/x
  3. Step 3: Cross multiply
    9,884.54x = 13,636.68 × 5,903.40
  4. Step 4: Simplify right side
    9,884.54x = 80,502,776.71
  5. Step 5: Solve for x
    x = 80,502,776.71/9,884.54
  6. Step 6: Final answer
    x = 8,144.31

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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.