Home / 12,020.16-16,588.56-6,984.48

Finding the Fourth Proportional to 12,020.16, 16,588.56 and 6,984.48

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Solution

The fourth proportional to 12,020.16, 16,588.56 and 6,984.48 is: 9,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.16 : 16,588.56 = 6,984.48 : x
  2. Step 2: Convert to fraction form
    12,020.16/16,588.56 = 6,984.48/x
  3. Step 3: Cross multiply
    12,020.16x = 16,588.56 × 6,984.48
  4. Step 4: Simplify right side
    12,020.16x = 115,862,465.55
  5. Step 5: Solve for x
    x = 115,862,465.55/12,020.16
  6. Step 6: Final answer
    x = 9,639.01

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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.