Home / 10,148.08-14,003.84-5,670.96

Finding the Fourth Proportional to 10,148.08, 14,003.84 and 5,670.96

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Solution

The fourth proportional to 10,148.08, 14,003.84 and 5,670.96 is: 7,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.08 : 14,003.84 = 5,670.96 : x
  2. Step 2: Convert to fraction form
    10,148.08/14,003.84 = 5,670.96/x
  3. Step 3: Cross multiply
    10,148.08x = 14,003.84 × 5,670.96
  4. Step 4: Simplify right side
    10,148.08x = 79,415,216.49
  5. Step 5: Solve for x
    x = 79,415,216.49/10,148.08
  6. Step 6: Final answer
    x = 7,825.64

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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.