Home / 11,525.93-15,904.46-6,490.02

Finding the Fourth Proportional to 11,525.93, 15,904.46 and 6,490.02

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Solution

The fourth proportional to 11,525.93, 15,904.46 and 6,490.02 is: 8,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.93 : 15,904.46 = 6,490.02 : x
  2. Step 2: Convert to fraction form
    11,525.93/15,904.46 = 6,490.02/x
  3. Step 3: Cross multiply
    11,525.93x = 15,904.46 × 6,490.02
  4. Step 4: Simplify right side
    11,525.93x = 103,220,279.71
  5. Step 5: Solve for x
    x = 103,220,279.71/11,525.93
  6. Step 6: Final answer
    x = 8,955.49

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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.