Home / 9,980.48-14,970.88-3,055.04

Finding the Fourth Proportional to 9,980.48, 14,970.88 and 3,055.04

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Solution

The fourth proportional to 9,980.48, 14,970.88 and 3,055.04 is: 4,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.48 : 14,970.88 = 3,055.04 : x
  2. Step 2: Convert to fraction form
    9,980.48/14,970.88 = 3,055.04/x
  3. Step 3: Cross multiply
    9,980.48x = 14,970.88 × 3,055.04
  4. Step 4: Simplify right side
    9,980.48x = 45,736,637.24
  5. Step 5: Solve for x
    x = 45,736,637.24/9,980.48
  6. Step 6: Final answer
    x = 4,582.61

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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.