Home / 13,075.76-19,613.64-5,282.75

Finding the Fourth Proportional to 13,075.76, 19,613.64 and 5,282.75

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Solution

The fourth proportional to 13,075.76, 19,613.64 and 5,282.75 is: 7,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.76 : 19,613.64 = 5,282.75 : x
  2. Step 2: Convert to fraction form
    13,075.76/19,613.64 = 5,282.75/x
  3. Step 3: Cross multiply
    13,075.76x = 19,613.64 × 5,282.75
  4. Step 4: Simplify right side
    13,075.76x = 103,613,956.71
  5. Step 5: Solve for x
    x = 103,613,956.71/13,075.76
  6. Step 6: Final answer
    x = 7,924.13

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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.