Home / 9,357.48-12,916-5,532.66

Finding the Fourth Proportional to 9,357.48, 12,916 and 5,532.66

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Solution

The fourth proportional to 9,357.48, 12,916 and 5,532.66 is: 7,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,357.48 : 12,916 = 5,532.66 : x
  2. Step 2: Convert to fraction form
    9,357.48/12,916 = 5,532.66/x
  3. Step 3: Cross multiply
    9,357.48x = 12,916 × 5,532.66
  4. Step 4: Simplify right side
    9,357.48x = 71,459,836.56
  5. Step 5: Solve for x
    x = 71,459,836.56/9,357.48
  6. Step 6: Final answer
    x = 7,636.65

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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.