Home / 9,307.61-12,840.84-5,326.59

Finding the Fourth Proportional to 9,307.61, 12,840.84 and 5,326.59

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Solution

The fourth proportional to 9,307.61, 12,840.84 and 5,326.59 is: 7,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.61 : 12,840.84 = 5,326.59 : x
  2. Step 2: Convert to fraction form
    9,307.61/12,840.84 = 5,326.59/x
  3. Step 3: Cross multiply
    9,307.61x = 12,840.84 × 5,326.59
  4. Step 4: Simplify right side
    9,307.61x = 68,397,889.94
  5. Step 5: Solve for x
    x = 68,397,889.94/9,307.61
  6. Step 6: Final answer
    x = 7,348.60

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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.