Home / 7,685.47-10,606.16-4,328.41

Finding the Fourth Proportional to 7,685.47, 10,606.16 and 4,328.41

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Solution

The fourth proportional to 7,685.47, 10,606.16 and 4,328.41 is: 5,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.47 : 10,606.16 = 4,328.41 : x
  2. Step 2: Convert to fraction form
    7,685.47/10,606.16 = 4,328.41/x
  3. Step 3: Cross multiply
    7,685.47x = 10,606.16 × 4,328.41
  4. Step 4: Simplify right side
    7,685.47x = 45,907,809.01
  5. Step 5: Solve for x
    x = 45,907,809.01/7,685.47
  6. Step 6: Final answer
    x = 5,973.32

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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.