Home / 9,075.28-12,526.28-5,351.76

Finding the Fourth Proportional to 9,075.28, 12,526.28 and 5,351.76

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Solution

The fourth proportional to 9,075.28, 12,526.28 and 5,351.76 is: 7,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.28 : 12,526.28 = 5,351.76 : x
  2. Step 2: Convert to fraction form
    9,075.28/12,526.28 = 5,351.76/x
  3. Step 3: Cross multiply
    9,075.28x = 12,526.28 × 5,351.76
  4. Step 4: Simplify right side
    9,075.28x = 67,037,644.25
  5. Step 5: Solve for x
    x = 67,037,644.25/9,075.28
  6. Step 6: Final answer
    x = 7,386.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.