Home / 7,823.04-10,782.36-5,723.52

Finding the Fourth Proportional to 7,823.04, 10,782.36 and 5,723.52

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Solution

The fourth proportional to 7,823.04, 10,782.36 and 5,723.52 is: 7,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.04 : 10,782.36 = 5,723.52 : x
  2. Step 2: Convert to fraction form
    7,823.04/10,782.36 = 5,723.52/x
  3. Step 3: Cross multiply
    7,823.04x = 10,782.36 × 5,723.52
  4. Step 4: Simplify right side
    7,823.04x = 61,713,053.11
  5. Step 5: Solve for x
    x = 61,713,053.11/7,823.04
  6. Step 6: Final answer
    x = 7,888.63

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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.