Home / 9,970.16-13,758.20-5,493.66

Finding the Fourth Proportional to 9,970.16, 13,758.20 and 5,493.66

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Solution

The fourth proportional to 9,970.16, 13,758.20 and 5,493.66 is: 7,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,970.16 : 13,758.20 = 5,493.66 : x
  2. Step 2: Convert to fraction form
    9,970.16/13,758.20 = 5,493.66/x
  3. Step 3: Cross multiply
    9,970.16x = 13,758.20 × 5,493.66
  4. Step 4: Simplify right side
    9,970.16x = 75,582,873.01
  5. Step 5: Solve for x
    x = 75,582,873.01/9,970.16
  6. Step 6: Final answer
    x = 7,580.91

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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.