Home / 7,895.47-10,897.58-5,207.17

Finding the Fourth Proportional to 7,895.47, 10,897.58 and 5,207.17

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Solution

The fourth proportional to 7,895.47, 10,897.58 and 5,207.17 is: 7,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.47 : 10,897.58 = 5,207.17 : x
  2. Step 2: Convert to fraction form
    7,895.47/10,897.58 = 5,207.17/x
  3. Step 3: Cross multiply
    7,895.47x = 10,897.58 × 5,207.17
  4. Step 4: Simplify right side
    7,895.47x = 56,745,518.80
  5. Step 5: Solve for x
    x = 56,745,518.80/7,895.47
  6. Step 6: Final answer
    x = 7,187.10

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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.