Home / 9,106.17-12,566.33-5,127.20

Finding the Fourth Proportional to 9,106.17, 12,566.33 and 5,127.20

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Solution

The fourth proportional to 9,106.17, 12,566.33 and 5,127.20 is: 7,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.17 : 12,566.33 = 5,127.20 : x
  2. Step 2: Convert to fraction form
    9,106.17/12,566.33 = 5,127.20/x
  3. Step 3: Cross multiply
    9,106.17x = 12,566.33 × 5,127.20
  4. Step 4: Simplify right side
    9,106.17x = 64,430,087.18
  5. Step 5: Solve for x
    x = 64,430,087.18/9,106.17
  6. Step 6: Final answer
    x = 7,075.43

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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.