Home / 10,326.12-15,482.70-7,029.15

Finding the Fourth Proportional to 10,326.12, 15,482.70 and 7,029.15

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Solution

The fourth proportional to 10,326.12, 15,482.70 and 7,029.15 is: 10,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,326.12 : 15,482.70 = 7,029.15 : x
  2. Step 2: Convert to fraction form
    10,326.12/15,482.70 = 7,029.15/x
  3. Step 3: Cross multiply
    10,326.12x = 15,482.70 × 7,029.15
  4. Step 4: Simplify right side
    10,326.12x = 108,830,220.71
  5. Step 5: Solve for x
    x = 108,830,220.71/10,326.12
  6. Step 6: Final answer
    x = 10,539.31

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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.