Home / 7,860.02-10,847.05-4,323.45

Finding the Fourth Proportional to 7,860.02, 10,847.05 and 4,323.45

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Solution

The fourth proportional to 7,860.02, 10,847.05 and 4,323.45 is: 5,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.02 : 10,847.05 = 4,323.45 : x
  2. Step 2: Convert to fraction form
    7,860.02/10,847.05 = 4,323.45/x
  3. Step 3: Cross multiply
    7,860.02x = 10,847.05 × 4,323.45
  4. Step 4: Simplify right side
    7,860.02x = 46,896,678.32
  5. Step 5: Solve for x
    x = 46,896,678.32/7,860.02
  6. Step 6: Final answer
    x = 5,966.48

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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.