Home / 11,275.80-16,836.96-9,948.48

Finding the Fourth Proportional to 11,275.80, 16,836.96 and 9,948.48

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Solution

The fourth proportional to 11,275.80, 16,836.96 and 9,948.48 is: 14,855.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.80 : 16,836.96 = 9,948.48 : x
  2. Step 2: Convert to fraction form
    11,275.80/16,836.96 = 9,948.48/x
  3. Step 3: Cross multiply
    11,275.80x = 16,836.96 × 9,948.48
  4. Step 4: Simplify right side
    11,275.80x = 167,502,159.82
  5. Step 5: Solve for x
    x = 167,502,159.82/11,275.80
  6. Step 6: Final answer
    x = 14,855.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.