Home / 9,362.49-12,920.25-5,113.58

Finding the Fourth Proportional to 9,362.49, 12,920.25 and 5,113.58

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Solution

The fourth proportional to 9,362.49, 12,920.25 and 5,113.58 is: 7,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.49 : 12,920.25 = 5,113.58 : x
  2. Step 2: Convert to fraction form
    9,362.49/12,920.25 = 5,113.58/x
  3. Step 3: Cross multiply
    9,362.49x = 12,920.25 × 5,113.58
  4. Step 4: Simplify right side
    9,362.49x = 66,068,732.00
  5. Step 5: Solve for x
    x = 66,068,732.00/9,362.49
  6. Step 6: Final answer
    x = 7,056.75

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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.