Home / 9,368.56-12,927.96-5,176.24

Finding the Fourth Proportional to 9,368.56, 12,927.96 and 5,176.24

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Solution

The fourth proportional to 9,368.56, 12,927.96 and 5,176.24 is: 7,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.56 : 12,927.96 = 5,176.24 : x
  2. Step 2: Convert to fraction form
    9,368.56/12,927.96 = 5,176.24/x
  3. Step 3: Cross multiply
    9,368.56x = 12,927.96 × 5,176.24
  4. Step 4: Simplify right side
    9,368.56x = 66,918,223.67
  5. Step 5: Solve for x
    x = 66,918,223.67/9,368.56
  6. Step 6: Final answer
    x = 7,142.85

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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.