Home / 13,048.37-19,547.36-7,787.58

Finding the Fourth Proportional to 13,048.37, 19,547.36 and 7,787.58

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Solution

The fourth proportional to 13,048.37, 19,547.36 and 7,787.58 is: 11,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.37 : 19,547.36 = 7,787.58 : x
  2. Step 2: Convert to fraction form
    13,048.37/19,547.36 = 7,787.58/x
  3. Step 3: Cross multiply
    13,048.37x = 19,547.36 × 7,787.58
  4. Step 4: Simplify right side
    13,048.37x = 152,226,512.58
  5. Step 5: Solve for x
    x = 152,226,512.58/13,048.37
  6. Step 6: Final answer
    x = 11,666.33

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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.