Home / 9,919.02-14,864.62-7,132.58

Finding the Fourth Proportional to 9,919.02, 14,864.62 and 7,132.58

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Solution

The fourth proportional to 9,919.02, 14,864.62 and 7,132.58 is: 10,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.02 : 14,864.62 = 7,132.58 : x
  2. Step 2: Convert to fraction form
    9,919.02/14,864.62 = 7,132.58/x
  3. Step 3: Cross multiply
    9,919.02x = 14,864.62 × 7,132.58
  4. Step 4: Simplify right side
    9,919.02x = 106,023,091.32
  5. Step 5: Solve for x
    x = 106,023,091.32/9,919.02
  6. Step 6: Final answer
    x = 10,688.87

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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.