Home / 9,962.06-13,752.92-7,718.90

Finding the Fourth Proportional to 9,962.06, 13,752.92 and 7,718.90

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Solution

The fourth proportional to 9,962.06, 13,752.92 and 7,718.90 is: 10,656.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.06 : 13,752.92 = 7,718.90 : x
  2. Step 2: Convert to fraction form
    9,962.06/13,752.92 = 7,718.90/x
  3. Step 3: Cross multiply
    9,962.06x = 13,752.92 × 7,718.90
  4. Step 4: Simplify right side
    9,962.06x = 106,157,364.72
  5. Step 5: Solve for x
    x = 106,157,364.72/9,962.06
  6. Step 6: Final answer
    x = 10,656.17

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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.