Home / 10,008.95-13,812.66-5,532.84

Finding the Fourth Proportional to 10,008.95, 13,812.66 and 5,532.84

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Solution

The fourth proportional to 10,008.95, 13,812.66 and 5,532.84 is: 7,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.95 : 13,812.66 = 5,532.84 : x
  2. Step 2: Convert to fraction form
    10,008.95/13,812.66 = 5,532.84/x
  3. Step 3: Cross multiply
    10,008.95x = 13,812.66 × 5,532.84
  4. Step 4: Simplify right side
    10,008.95x = 76,423,237.75
  5. Step 5: Solve for x
    x = 76,423,237.75/10,008.95
  6. Step 6: Final answer
    x = 7,635.49

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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.