Home / 10,075.51-15,114.29-4,809.62

Finding the Fourth Proportional to 10,075.51, 15,114.29 and 4,809.62

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Solution

The fourth proportional to 10,075.51, 15,114.29 and 4,809.62 is: 7,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.51 : 15,114.29 = 4,809.62 : x
  2. Step 2: Convert to fraction form
    10,075.51/15,114.29 = 4,809.62/x
  3. Step 3: Cross multiply
    10,075.51x = 15,114.29 × 4,809.62
  4. Step 4: Simplify right side
    10,075.51x = 72,693,991.47
  5. Step 5: Solve for x
    x = 72,693,991.47/10,075.51
  6. Step 6: Final answer
    x = 7,214.92

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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.