Home / 7,681.36-11,532.28-4,567.12

Finding the Fourth Proportional to 7,681.36, 11,532.28 and 4,567.12

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Solution

The fourth proportional to 7,681.36, 11,532.28 and 4,567.12 is: 6,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.36 : 11,532.28 = 4,567.12 : x
  2. Step 2: Convert to fraction form
    7,681.36/11,532.28 = 4,567.12/x
  3. Step 3: Cross multiply
    7,681.36x = 11,532.28 × 4,567.12
  4. Step 4: Simplify right side
    7,681.36x = 52,669,306.63
  5. Step 5: Solve for x
    x = 52,669,306.63/7,681.36
  6. Step 6: Final answer
    x = 6,856.77

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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.