Home / 10,133.61-13,984.35-5,657.10

Finding the Fourth Proportional to 10,133.61, 13,984.35 and 5,657.10

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Solution

The fourth proportional to 10,133.61, 13,984.35 and 5,657.10 is: 7,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.61 : 13,984.35 = 5,657.10 : x
  2. Step 2: Convert to fraction form
    10,133.61/13,984.35 = 5,657.10/x
  3. Step 3: Cross multiply
    10,133.61x = 13,984.35 × 5,657.10
  4. Step 4: Simplify right side
    10,133.61x = 79,110,866.39
  5. Step 5: Solve for x
    x = 79,110,866.39/10,133.61
  6. Step 6: Final answer
    x = 7,806.78

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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.