Home / 7,053.84-10,518.66-6,561.36

Finding the Fourth Proportional to 7,053.84, 10,518.66 and 6,561.36

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Solution

The fourth proportional to 7,053.84, 10,518.66 and 6,561.36 is: 9,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.84 : 10,518.66 = 6,561.36 : x
  2. Step 2: Convert to fraction form
    7,053.84/10,518.66 = 6,561.36/x
  3. Step 3: Cross multiply
    7,053.84x = 10,518.66 × 6,561.36
  4. Step 4: Simplify right side
    7,053.84x = 69,016,714.98
  5. Step 5: Solve for x
    x = 69,016,714.98/7,053.84
  6. Step 6: Final answer
    x = 9,784.28

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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.