Home / 9,883.29-13,636.71-5,903.63

Finding the Fourth Proportional to 9,883.29, 13,636.71 and 5,903.63

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Solution

The fourth proportional to 9,883.29, 13,636.71 and 5,903.63 is: 8,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.29 : 13,636.71 = 5,903.63 : x
  2. Step 2: Convert to fraction form
    9,883.29/13,636.71 = 5,903.63/x
  3. Step 3: Cross multiply
    9,883.29x = 13,636.71 × 5,903.63
  4. Step 4: Simplify right side
    9,883.29x = 80,506,022.07
  5. Step 5: Solve for x
    x = 80,506,022.07/9,883.29
  6. Step 6: Final answer
    x = 8,145.67

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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.