Home / 7,051.84-10,515.68-6,559.36

Finding the Fourth Proportional to 7,051.84, 10,515.68 and 6,559.36

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Solution

The fourth proportional to 7,051.84, 10,515.68 and 6,559.36 is: 9,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.84 : 10,515.68 = 6,559.36 : x
  2. Step 2: Convert to fraction form
    7,051.84/10,515.68 = 6,559.36/x
  3. Step 3: Cross multiply
    7,051.84x = 10,515.68 × 6,559.36
  4. Step 4: Simplify right side
    7,051.84x = 68,976,130.76
  5. Step 5: Solve for x
    x = 68,976,130.76/7,051.84
  6. Step 6: Final answer
    x = 9,781.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.