Home / 12,332.02-16,998.18-9,638.50

Finding the Fourth Proportional to 12,332.02, 16,998.18 and 9,638.50

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Solution

The fourth proportional to 12,332.02, 16,998.18 and 9,638.50 is: 13,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.02 : 16,998.18 = 9,638.50 : x
  2. Step 2: Convert to fraction form
    12,332.02/16,998.18 = 9,638.50/x
  3. Step 3: Cross multiply
    12,332.02x = 16,998.18 × 9,638.50
  4. Step 4: Simplify right side
    12,332.02x = 163,836,957.93
  5. Step 5: Solve for x
    x = 163,836,957.93/12,332.02
  6. Step 6: Final answer
    x = 13,285.49

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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.