Home / 10,133.58-15,205.41-5,688.48

Finding the Fourth Proportional to 10,133.58, 15,205.41 and 5,688.48

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Solution

The fourth proportional to 10,133.58, 15,205.41 and 5,688.48 is: 8,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.58 : 15,205.41 = 5,688.48 : x
  2. Step 2: Convert to fraction form
    10,133.58/15,205.41 = 5,688.48/x
  3. Step 3: Cross multiply
    10,133.58x = 15,205.41 × 5,688.48
  4. Step 4: Simplify right side
    10,133.58x = 86,495,670.68
  5. Step 5: Solve for x
    x = 86,495,670.68/10,133.58
  6. Step 6: Final answer
    x = 8,535.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.