Home / 10,440.39-15,638.70-6,055.47

Finding the Fourth Proportional to 10,440.39, 15,638.70 and 6,055.47

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Solution

The fourth proportional to 10,440.39, 15,638.70 and 6,055.47 is: 9,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.39 : 15,638.70 = 6,055.47 : x
  2. Step 2: Convert to fraction form
    10,440.39/15,638.70 = 6,055.47/x
  3. Step 3: Cross multiply
    10,440.39x = 15,638.70 × 6,055.47
  4. Step 4: Simplify right side
    10,440.39x = 94,699,678.69
  5. Step 5: Solve for x
    x = 94,699,678.69/10,440.39
  6. Step 6: Final answer
    x = 9,070.51

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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.