Home / 12,341.12-17,013.02-8,798.18

Finding the Fourth Proportional to 12,341.12, 17,013.02 and 8,798.18

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Solution

The fourth proportional to 12,341.12, 17,013.02 and 8,798.18 is: 12,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.12 : 17,013.02 = 8,798.18 : x
  2. Step 2: Convert to fraction form
    12,341.12/17,013.02 = 8,798.18/x
  3. Step 3: Cross multiply
    12,341.12x = 17,013.02 × 8,798.18
  4. Step 4: Simplify right side
    12,341.12x = 149,683,483.25
  5. Step 5: Solve for x
    x = 149,683,483.25/12,341.12
  6. Step 6: Final answer
    x = 12,128.85

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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.