Home / 10,009.07-13,811.95-5,532.55

Finding the Fourth Proportional to 10,009.07, 13,811.95 and 5,532.55

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Solution

The fourth proportional to 10,009.07, 13,811.95 and 5,532.55 is: 7,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.07 : 13,811.95 = 5,532.55 : x
  2. Step 2: Convert to fraction form
    10,009.07/13,811.95 = 5,532.55/x
  3. Step 3: Cross multiply
    10,009.07x = 13,811.95 × 5,532.55
  4. Step 4: Simplify right side
    10,009.07x = 76,415,255.61
  5. Step 5: Solve for x
    x = 76,415,255.61/10,009.07
  6. Step 6: Final answer
    x = 7,634.60

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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.