Home / 12,079.04-16,653.64-7,822.58

Finding the Fourth Proportional to 12,079.04, 16,653.64 and 7,822.58

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Solution

The fourth proportional to 12,079.04, 16,653.64 and 7,822.58 is: 10,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.04 : 16,653.64 = 7,822.58 : x
  2. Step 2: Convert to fraction form
    12,079.04/16,653.64 = 7,822.58/x
  3. Step 3: Cross multiply
    12,079.04x = 16,653.64 × 7,822.58
  4. Step 4: Simplify right side
    12,079.04x = 130,274,328.37
  5. Step 5: Solve for x
    x = 130,274,328.37/12,079.04
  6. Step 6: Final answer
    x = 10,785.16

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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.