Home / 12,210.02-16,833.52-9,700.43

Finding the Fourth Proportional to 12,210.02, 16,833.52 and 9,700.43

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Solution

The fourth proportional to 12,210.02, 16,833.52 and 9,700.43 is: 13,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.02 : 16,833.52 = 9,700.43 : x
  2. Step 2: Convert to fraction form
    12,210.02/16,833.52 = 9,700.43/x
  3. Step 3: Cross multiply
    12,210.02x = 16,833.52 × 9,700.43
  4. Step 4: Simplify right side
    12,210.02x = 163,292,382.41
  5. Step 5: Solve for x
    x = 163,292,382.41/12,210.02
  6. Step 6: Final answer
    x = 13,373.64

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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.