Home / 8,746.36-12,075-5,761.10

Finding the Fourth Proportional to 8,746.36, 12,075 and 5,761.10

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Solution

The fourth proportional to 8,746.36, 12,075 and 5,761.10 is: 7,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.36 : 12,075 = 5,761.10 : x
  2. Step 2: Convert to fraction form
    8,746.36/12,075 = 5,761.10/x
  3. Step 3: Cross multiply
    8,746.36x = 12,075 × 5,761.10
  4. Step 4: Simplify right side
    8,746.36x = 69,565,282.50
  5. Step 5: Solve for x
    x = 69,565,282.50/8,746.36
  6. Step 6: Final answer
    x = 7,953.63

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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.