Home / 9,320.15-13,980.16-2,746.25

Finding the Fourth Proportional to 9,320.15, 13,980.16 and 2,746.25

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Solution

The fourth proportional to 9,320.15, 13,980.16 and 2,746.25 is: 4,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.15 : 13,980.16 = 2,746.25 : x
  2. Step 2: Convert to fraction form
    9,320.15/13,980.16 = 2,746.25/x
  3. Step 3: Cross multiply
    9,320.15x = 13,980.16 × 2,746.25
  4. Step 4: Simplify right side
    9,320.15x = 38,392,937.63
  5. Step 5: Solve for x
    x = 38,392,937.63/9,320.15
  6. Step 6: Final answer
    x = 4,119.35

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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.