Home / 9,900.07-14,851.77-3,660.10

Finding the Fourth Proportional to 9,900.07, 14,851.77 and 3,660.10

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Solution

The fourth proportional to 9,900.07, 14,851.77 and 3,660.10 is: 5,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.07 : 14,851.77 = 3,660.10 : x
  2. Step 2: Convert to fraction form
    9,900.07/14,851.77 = 3,660.10/x
  3. Step 3: Cross multiply
    9,900.07x = 14,851.77 × 3,660.10
  4. Step 4: Simplify right side
    9,900.07x = 54,358,963.38
  5. Step 5: Solve for x
    x = 54,358,963.38/9,900.07
  6. Step 6: Final answer
    x = 5,490.77

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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.