Home / 10,646.98-15,970.47-4,075.18

Finding the Fourth Proportional to 10,646.98, 15,970.47 and 4,075.18

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Solution

The fourth proportional to 10,646.98, 15,970.47 and 4,075.18 is: 6,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646.98 : 15,970.47 = 4,075.18 : x
  2. Step 2: Convert to fraction form
    10,646.98/15,970.47 = 4,075.18/x
  3. Step 3: Cross multiply
    10,646.98x = 15,970.47 × 4,075.18
  4. Step 4: Simplify right side
    10,646.98x = 65,082,539.93
  5. Step 5: Solve for x
    x = 65,082,539.93/10,646.98
  6. Step 6: Final answer
    x = 6,112.77

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.