Home / 9,107.38-12,566.02-5,127.70

Finding the Fourth Proportional to 9,107.38, 12,566.02 and 5,127.70

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Solution

The fourth proportional to 9,107.38, 12,566.02 and 5,127.70 is: 7,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.38 : 12,566.02 = 5,127.70 : x
  2. Step 2: Convert to fraction form
    9,107.38/12,566.02 = 5,127.70/x
  3. Step 3: Cross multiply
    9,107.38x = 12,566.02 × 5,127.70
  4. Step 4: Simplify right side
    9,107.38x = 64,434,692.29
  5. Step 5: Solve for x
    x = 64,434,692.29/9,107.38
  6. Step 6: Final answer
    x = 7,075.00

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Double scale
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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.