Home / 9,346.16-12,897.23-5,312.45

Finding the Fourth Proportional to 9,346.16, 12,897.23 and 5,312.45

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Solution

The fourth proportional to 9,346.16, 12,897.23 and 5,312.45 is: 7,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.16 : 12,897.23 = 5,312.45 : x
  2. Step 2: Convert to fraction form
    9,346.16/12,897.23 = 5,312.45/x
  3. Step 3: Cross multiply
    9,346.16x = 12,897.23 × 5,312.45
  4. Step 4: Simplify right side
    9,346.16x = 68,515,798.47
  5. Step 5: Solve for x
    x = 68,515,798.47/9,346.16
  6. Step 6: Final answer
    x = 7,330.91

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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.