Home / 10,147.06-14,002.66-5,670.84

Finding the Fourth Proportional to 10,147.06, 14,002.66 and 5,670.84

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Solution

The fourth proportional to 10,147.06, 14,002.66 and 5,670.84 is: 7,825.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.06 : 14,002.66 = 5,670.84 : x
  2. Step 2: Convert to fraction form
    10,147.06/14,002.66 = 5,670.84/x
  3. Step 3: Cross multiply
    10,147.06x = 14,002.66 × 5,670.84
  4. Step 4: Simplify right side
    10,147.06x = 79,406,816.08
  5. Step 5: Solve for x
    x = 79,406,816.08/10,147.06
  6. Step 6: Final answer
    x = 7,825.60

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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.