Home / 10,326.15-15,497.26-4,780.08

Finding the Fourth Proportional to 10,326.15, 15,497.26 and 4,780.08

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Solution

The fourth proportional to 10,326.15, 15,497.26 and 4,780.08 is: 7,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.15 : 15,497.26 = 4,780.08 : x
  2. Step 2: Convert to fraction form
    10,326.15/15,497.26 = 4,780.08/x
  3. Step 3: Cross multiply
    10,326.15x = 15,497.26 × 4,780.08
  4. Step 4: Simplify right side
    10,326.15x = 74,078,130.63
  5. Step 5: Solve for x
    x = 74,078,130.63/10,326.15
  6. Step 6: Final answer
    x = 7,173.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.