Home / 7,869.47-10,860.53-4,333.35

Finding the Fourth Proportional to 7,869.47, 10,860.53 and 4,333.35

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Solution

The fourth proportional to 7,869.47, 10,860.53 and 4,333.35 is: 5,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.47 : 10,860.53 = 4,333.35 : x
  2. Step 2: Convert to fraction form
    7,869.47/10,860.53 = 4,333.35/x
  3. Step 3: Cross multiply
    7,869.47x = 10,860.53 × 4,333.35
  4. Step 4: Simplify right side
    7,869.47x = 47,062,477.68
  5. Step 5: Solve for x
    x = 47,062,477.68/7,869.47
  6. Step 6: Final answer
    x = 5,980.39

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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.