Home / 7,897.12-10,897.74-4,360.26

Finding the Fourth Proportional to 7,897.12, 10,897.74 and 4,360.26

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Solution

The fourth proportional to 7,897.12, 10,897.74 and 4,360.26 is: 6,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.12 : 10,897.74 = 4,360.26 : x
  2. Step 2: Convert to fraction form
    7,897.12/10,897.74 = 4,360.26/x
  3. Step 3: Cross multiply
    7,897.12x = 10,897.74 × 4,360.26
  4. Step 4: Simplify right side
    7,897.12x = 47,516,979.81
  5. Step 5: Solve for x
    x = 47,516,979.81/7,897.12
  6. Step 6: Final answer
    x = 6,017.00

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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.