Home / 12,075.40-18,095.18-10,762.12

Finding the Fourth Proportional to 12,075.40, 18,095.18 and 10,762.12

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Solution

The fourth proportional to 12,075.40, 18,095.18 and 10,762.12 is: 16,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075.40 : 18,095.18 = 10,762.12 : x
  2. Step 2: Convert to fraction form
    12,075.40/18,095.18 = 10,762.12/x
  3. Step 3: Cross multiply
    12,075.40x = 18,095.18 × 10,762.12
  4. Step 4: Simplify right side
    12,075.40x = 194,742,498.58
  5. Step 5: Solve for x
    x = 194,742,498.58/12,075.40
  6. Step 6: Final answer
    x = 16,127.21

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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.