Home / 7,925.40-11,860.02-5,840.46

Finding the Fourth Proportional to 7,925.40, 11,860.02 and 5,840.46

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Solution

The fourth proportional to 7,925.40, 11,860.02 and 5,840.46 is: 8,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.40 : 11,860.02 = 5,840.46 : x
  2. Step 2: Convert to fraction form
    7,925.40/11,860.02 = 5,840.46/x
  3. Step 3: Cross multiply
    7,925.40x = 11,860.02 × 5,840.46
  4. Step 4: Simplify right side
    7,925.40x = 69,267,972.41
  5. Step 5: Solve for x
    x = 69,267,972.41/7,925.40
  6. Step 6: Final answer
    x = 8,740.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.