Home / 11,011.48-15,192.12-6,292.40

Finding the Fourth Proportional to 11,011.48, 15,192.12 and 6,292.40

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Solution

The fourth proportional to 11,011.48, 15,192.12 and 6,292.40 is: 8,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.48 : 15,192.12 = 6,292.40 : x
  2. Step 2: Convert to fraction form
    11,011.48/15,192.12 = 6,292.40/x
  3. Step 3: Cross multiply
    11,011.48x = 15,192.12 × 6,292.40
  4. Step 4: Simplify right side
    11,011.48x = 95,594,895.89
  5. Step 5: Solve for x
    x = 95,594,895.89/11,011.48
  6. Step 6: Final answer
    x = 8,681.38

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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.