Home / 10,146.32-14,001.84-5,670.02

Finding the Fourth Proportional to 10,146.32, 14,001.84 and 5,670.02

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Solution

The fourth proportional to 10,146.32, 14,001.84 and 5,670.02 is: 7,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.32 : 14,001.84 = 5,670.02 : x
  2. Step 2: Convert to fraction form
    10,146.32/14,001.84 = 5,670.02/x
  3. Step 3: Cross multiply
    10,146.32x = 14,001.84 × 5,670.02
  4. Step 4: Simplify right side
    10,146.32x = 79,390,747.84
  5. Step 5: Solve for x
    x = 79,390,747.84/10,146.32
  6. Step 6: Final answer
    x = 7,824.59

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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.