Home / 9,173.81-12,659.51-4,981.97

Finding the Fourth Proportional to 9,173.81, 12,659.51 and 4,981.97

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Solution

The fourth proportional to 9,173.81, 12,659.51 and 4,981.97 is: 6,874.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.81 : 12,659.51 = 4,981.97 : x
  2. Step 2: Convert to fraction form
    9,173.81/12,659.51 = 4,981.97/x
  3. Step 3: Cross multiply
    9,173.81x = 12,659.51 × 4,981.97
  4. Step 4: Simplify right side
    9,173.81x = 63,069,248.19
  5. Step 5: Solve for x
    x = 63,069,248.19/9,173.81
  6. Step 6: Final answer
    x = 6,874.93

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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.