Home / 7,865.06-10,853.96-4,328.46

Finding the Fourth Proportional to 7,865.06, 10,853.96 and 4,328.46

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Solution

The fourth proportional to 7,865.06, 10,853.96 and 4,328.46 is: 5,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.06 : 10,853.96 = 4,328.46 : x
  2. Step 2: Convert to fraction form
    7,865.06/10,853.96 = 4,328.46/x
  3. Step 3: Cross multiply
    7,865.06x = 10,853.96 × 4,328.46
  4. Step 4: Simplify right side
    7,865.06x = 46,980,931.70
  5. Step 5: Solve for x
    x = 46,980,931.70/7,865.06
  6. Step 6: Final answer
    x = 5,973.37

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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.