Home / 10,056.40-15,084.60-6,557.20

Finding the Fourth Proportional to 10,056.40, 15,084.60 and 6,557.20

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Solution

The fourth proportional to 10,056.40, 15,084.60 and 6,557.20 is: 9,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.40 : 15,084.60 = 6,557.20 : x
  2. Step 2: Convert to fraction form
    10,056.40/15,084.60 = 6,557.20/x
  3. Step 3: Cross multiply
    10,056.40x = 15,084.60 × 6,557.20
  4. Step 4: Simplify right side
    10,056.40x = 98,912,739.12
  5. Step 5: Solve for x
    x = 98,912,739.12/10,056.40
  6. Step 6: Final answer
    x = 9,835.80

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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.