Home / 10,152.01-15,229.66-3,130.39

Finding the Fourth Proportional to 10,152.01, 15,229.66 and 3,130.39

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Solution

The fourth proportional to 10,152.01, 15,229.66 and 3,130.39 is: 4,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.01 : 15,229.66 = 3,130.39 : x
  2. Step 2: Convert to fraction form
    10,152.01/15,229.66 = 3,130.39/x
  3. Step 3: Cross multiply
    10,152.01x = 15,229.66 × 3,130.39
  4. Step 4: Simplify right side
    10,152.01x = 47,674,699.22
  5. Step 5: Solve for x
    x = 47,674,699.22/10,152.01
  6. Step 6: Final answer
    x = 4,696.08

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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.