Home / 8,526.90-12,732.81-6,969.95

Finding the Fourth Proportional to 8,526.90, 12,732.81 and 6,969.95

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Solution

The fourth proportional to 8,526.90, 12,732.81 and 6,969.95 is: 10,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.90 : 12,732.81 = 6,969.95 : x
  2. Step 2: Convert to fraction form
    8,526.90/12,732.81 = 6,969.95/x
  3. Step 3: Cross multiply
    8,526.90x = 12,732.81 × 6,969.95
  4. Step 4: Simplify right side
    8,526.90x = 88,746,985.40
  5. Step 5: Solve for x
    x = 88,746,985.40/8,526.90
  6. Step 6: Final answer
    x = 10,407.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.