Home / 7,880.24-10,865.67-5,887.46

Finding the Fourth Proportional to 7,880.24, 10,865.67 and 5,887.46

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Solution

The fourth proportional to 7,880.24, 10,865.67 and 5,887.46 is: 8,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.24 : 10,865.67 = 5,887.46 : x
  2. Step 2: Convert to fraction form
    7,880.24/10,865.67 = 5,887.46/x
  3. Step 3: Cross multiply
    7,880.24x = 10,865.67 × 5,887.46
  4. Step 4: Simplify right side
    7,880.24x = 63,971,197.50
  5. Step 5: Solve for x
    x = 63,971,197.50/7,880.24
  6. Step 6: Final answer
    x = 8,117.93

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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.