Home / 8,527.25-11,763.81-4,988.90

Finding the Fourth Proportional to 8,527.25, 11,763.81 and 4,988.90

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Solution

The fourth proportional to 8,527.25, 11,763.81 and 4,988.90 is: 6,882.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.25 : 11,763.81 = 4,988.90 : x
  2. Step 2: Convert to fraction form
    8,527.25/11,763.81 = 4,988.90/x
  3. Step 3: Cross multiply
    8,527.25x = 11,763.81 × 4,988.90
  4. Step 4: Simplify right side
    8,527.25x = 58,688,412.89
  5. Step 5: Solve for x
    x = 58,688,412.89/8,527.25
  6. Step 6: Final answer
    x = 6,882.46

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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.