Home / 7,962.24-10,988.12-5,235.76

Finding the Fourth Proportional to 7,962.24, 10,988.12 and 5,235.76

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Solution

The fourth proportional to 7,962.24, 10,988.12 and 5,235.76 is: 7,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.24 : 10,988.12 = 5,235.76 : x
  2. Step 2: Convert to fraction form
    7,962.24/10,988.12 = 5,235.76/x
  3. Step 3: Cross multiply
    7,962.24x = 10,988.12 × 5,235.76
  4. Step 4: Simplify right side
    7,962.24x = 57,531,159.17
  5. Step 5: Solve for x
    x = 57,531,159.17/7,962.24
  6. Step 6: Final answer
    x = 7,225.50

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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.