Home / 15,130.17-22,679.78-5,261.34

Finding the Fourth Proportional to 15,130.17, 22,679.78 and 5,261.34

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Solution

The fourth proportional to 15,130.17, 22,679.78 and 5,261.34 is: 7,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.17 : 22,679.78 = 5,261.34 : x
  2. Step 2: Convert to fraction form
    15,130.17/22,679.78 = 5,261.34/x
  3. Step 3: Cross multiply
    15,130.17x = 22,679.78 × 5,261.34
  4. Step 4: Simplify right side
    15,130.17x = 119,326,007.40
  5. Step 5: Solve for x
    x = 119,326,007.40/15,130.17
  6. Step 6: Final answer
    x = 7,886.63

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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.