Home / 10,077.84-15,116.92-5,133.52

Finding the Fourth Proportional to 10,077.84, 15,116.92 and 5,133.52

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Solution

The fourth proportional to 10,077.84, 15,116.92 and 5,133.52 is: 7,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.84 : 15,116.92 = 5,133.52 : x
  2. Step 2: Convert to fraction form
    10,077.84/15,116.92 = 5,133.52/x
  3. Step 3: Cross multiply
    10,077.84x = 15,116.92 × 5,133.52
  4. Step 4: Simplify right side
    10,077.84x = 77,603,011.16
  5. Step 5: Solve for x
    x = 77,603,011.16/10,077.84
  6. Step 6: Final answer
    x = 7,700.36

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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.