Home / 9,958.16-14,938.86-3,720.35

Finding the Fourth Proportional to 9,958.16, 14,938.86 and 3,720.35

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Solution

The fourth proportional to 9,958.16, 14,938.86 and 3,720.35 is: 5,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958.16 : 14,938.86 = 3,720.35 : x
  2. Step 2: Convert to fraction form
    9,958.16/14,938.86 = 3,720.35/x
  3. Step 3: Cross multiply
    9,958.16x = 14,938.86 × 3,720.35
  4. Step 4: Simplify right side
    9,958.16x = 55,577,713.11
  5. Step 5: Solve for x
    x = 55,577,713.11/9,958.16
  6. Step 6: Final answer
    x = 5,581.13

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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.