Home / 12,269.02-16,931.66-6,892.40

Finding the Fourth Proportional to 12,269.02, 16,931.66 and 6,892.40

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Solution

The fourth proportional to 12,269.02, 16,931.66 and 6,892.40 is: 9,511.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.02 : 16,931.66 = 6,892.40 : x
  2. Step 2: Convert to fraction form
    12,269.02/16,931.66 = 6,892.40/x
  3. Step 3: Cross multiply
    12,269.02x = 16,931.66 × 6,892.40
  4. Step 4: Simplify right side
    12,269.02x = 116,699,773.38
  5. Step 5: Solve for x
    x = 116,699,773.38/12,269.02
  6. Step 6: Final answer
    x = 9,511.74

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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.