Home / 9,337.33-12,885.45-5,145.58

Finding the Fourth Proportional to 9,337.33, 12,885.45 and 5,145.58

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Solution

The fourth proportional to 9,337.33, 12,885.45 and 5,145.58 is: 7,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.33 : 12,885.45 = 5,145.58 : x
  2. Step 2: Convert to fraction form
    9,337.33/12,885.45 = 5,145.58/x
  3. Step 3: Cross multiply
    9,337.33x = 12,885.45 × 5,145.58
  4. Step 4: Simplify right side
    9,337.33x = 66,303,113.81
  5. Step 5: Solve for x
    x = 66,303,113.81/9,337.33
  6. Step 6: Final answer
    x = 7,100.86

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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.