Home / 8,750.18-12,075.38-4,771.29

Finding the Fourth Proportional to 8,750.18, 12,075.38 and 4,771.29

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Solution

The fourth proportional to 8,750.18, 12,075.38 and 4,771.29 is: 6,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.18 : 12,075.38 = 4,771.29 : x
  2. Step 2: Convert to fraction form
    8,750.18/12,075.38 = 4,771.29/x
  3. Step 3: Cross multiply
    8,750.18x = 12,075.38 × 4,771.29
  4. Step 4: Simplify right side
    8,750.18x = 57,615,139.84
  5. Step 5: Solve for x
    x = 57,615,139.84/8,750.18
  6. Step 6: Final answer
    x = 6,584.45

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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.