Home / 7,257.48-10,020.12-6,470.16

Finding the Fourth Proportional to 7,257.48, 10,020.12 and 6,470.16

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Solution

The fourth proportional to 7,257.48, 10,020.12 and 6,470.16 is: 8,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.48 : 10,020.12 = 6,470.16 : x
  2. Step 2: Convert to fraction form
    7,257.48/10,020.12 = 6,470.16/x
  3. Step 3: Cross multiply
    7,257.48x = 10,020.12 × 6,470.16
  4. Step 4: Simplify right side
    7,257.48x = 64,831,779.62
  5. Step 5: Solve for x
    x = 64,831,779.62/7,257.48
  6. Step 6: Final answer
    x = 8,933.10

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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.